Children's

Learning to balance and ride a bike has never been easier. Put a young rider on Pre, then watch her go. With a lightweight aluminum frame that’s designed with a low standover height, Pre inspires young riders to get rolling. Made with 12-inch wheels and a quick-adjust saddle, it’s the perfect way to begin their cycling adventures. - Lightweight and durable ALUXX-grade butted aluminum frame - Innovative high-strength, thermoformed polymer fork provides dramatic weight savings - Sleek design makes learning easy - Size: 12-inch wheel

The Lil' Giant Trike is just the ticket for your child's first step into the wild world of cycling. With durable, maintenance-free solid tires, adjustable saddle, and wooden rear deck, it gets tikes started off right!

Key features - Steering limiter prevents kids from turning too sharply - Foot rest allows kids to try balancing as they get going - Contact points are dialed to fit kids right from the start - Trek quality = safety and fun

Precaliber 12 Boy's is the perfect first bike for little riders who are ahead of the curve and ready for two wheels at a younger age than most. It has a handle built into the saddle so you can guide them as they ride, and tool-free training wheels that are super easy to install and remove. It's a great fit for kids ages 3-4, between 36-40-inches tall. It's right for you if... Your kid may be young and small, but they're ready to ride! You want to make their first real bike experience a great one with a bike that's comfortable, durable, and fun. The tech you get This toddler-friendly bike has a handle integrated right into the saddle so you can help guide your child while they ride, plus a coaster brake and tool-less training wheels that can be installed and removed at the turn of a dial. Plus, the lightweight aluminum frame is easy for your little one to maneuver. The final word You want to make sure your child's first bike is comfortable, durable, and fun. Each of our bikes, all the way down to the smallest size, is built to our highest standards, so you can feel confident when you choose Trek for your family. Why you'll love it - This bike is a memory-maker: seeing your child ride their bike for the first time is something you'll never forget - This bike is hand-me-down heaven: it's built to last, so younger siblings can inherit this bike and it'll still feel like new - You shouldn't buy your kid's bike where you buy your cereal—Unlike big box brands, Trek kids' bikes are assembled by people who know bikes - Like all Precaliber bikes, the frame is lower so it's easier for kids to stand over and hop on and off

Precaliber 12 Girl's is the perfect first bike for little riders who are ahead of the curve and ready for two wheels at a younger age than most. It has a handle built into the saddle so you can guide them as they ride, and tool-free training wheels that are super easy to install and remove. It's a great fit for kids ages 3-4, between 36-40-inches tall. It's right for you if... Your kid may be young and small, but they're ready to ride! You want to make their first real bike experience a great one with a bike that's comfortable, durable, and fun. The tech you get This toddler-friendly bike has a handle integrated right into the saddle so you can help guide your child while they ride, plus a coaster brake and tool-less training wheels that can be installed and removed at the turn of a dial. Plus, the lightweight aluminum frame is easy for your little one to maneuver. The final word You want to make sure your child's first bike is comfortable, durable, and fun. Each of our bikes, all the way down to the smallest size, is built to our highest standards, so you can feel confident when you choose Trek for your family. Why you'll love it - This bike is a memory-maker: seeing your child ride their bike for the first time is something you'll never forget - This bike is hand-me-down heaven: it's built to last, so younger siblings can inherit this bike and it'll still feel like new - You shouldn't buy your kid's bike where you buy your cereal—Unlike big box brands, Trek kids' bikes are assembled by people who know bikes - Like all Precaliber bikes, the frame is lower so it's easier for kids to stand over and hop on and off

Teaching and learning to ride is a breeze with Precaliber 16 Boy's. It has a handle built into the saddle so you can guide while they ride, and tool-free training wheels that are super easy to install and remove. It's a great fit for kids ages 4-5 between 39-46-inches tall. It's right for you if... It's finally time to teach your little one to ride! You want to make it a great memory, so you're looking for a bike that's comfortable, durable, and fun. Simplicity is key, and you want to be able to pop off the training wheels easily when the time is right. The tech you get This kid-friendly bike has a handle integrated right into the saddle so you can help guide your child while they ride, plus a coaster brake and tool-less training wheels that can be installed and removed at the turn of a dial. Plus, the lightweight aluminum frame is easy to maneuver. The final word You want to make sure your child's first bike is comfortable, durable, and fun. Each of our bikes, all the way down to the smallest size, is built to our highest standards, so you can feel confident when you choose Trek for your family. Why you'll love it - This bike is a memory-maker: seeing your child ride their bike for the first time is something you'll never forget - This bike is hand-me-down heaven: it's built to last, so younger siblings can inherit this bike and it'll still feel like new - You shouldn't buy your kid's bike where you buy your cereal—Unlike big box brands, Trek kids' bikes are assembled by people who know bikes - You can replace the saddle's integrated handle with an integrated light mount when your child starts adventuring on their own - Like all Precaliber bikes, the frame is lower so it's easier for kids to stand over and hop on and off

Teaching and learning to ride is a breeze with Precaliber 16 Girl's. It has a handle built into the saddle so you can guide while they ride, and tool-free training wheels that are super easy to install and remove. It's a great fit for kids ages 4-5 between 39-46-inches tall. It's right for you if... It's finally time to teach your little one to ride! You want to make it a great memory, so you're looking for a bike that's comfortable, durable, and fun. Simplicity is key, and you want to be able to pop off the training wheels easily when the time is right. The tech you get This kid-friendly bike has a handle integrated right into the saddle so you can help guide your child while they ride, plus a coaster brake and tool-less training wheels that can be installed and removed at the turn of a dial. Plus, the lightweight aluminum frame is easy to maneuver. The final word You want to make sure your child's first bike is comfortable, durable, and fun. Each of our bikes, all the way down to the smallest size, is built to our highest standards, so you can feel confident when you choose Trek for your family. Why you'll love it - This bike is a memory-maker: seeing your child ride their bike for the first time is something you'll never forget - This bike is hand-me-down heaven: it's built to last, so younger siblings can inherit this bike and it'll still feel like new - You shouldn't buy your kid's bike where you buy your cereal—Unlike big box brands, Trek kids' bikes are assembled by people who know bikes - You can replace the saddle's integrated handle with an integrated light mount when your child starts adventuring on their own - Like all Precaliber bikes, the frame is lower so it's easier for kids to stand over and hop on and off

Precaliber 20 Boy's will have your little rider begging to go out for a pedal on their first real big kid bike. It's a great transition model from training wheels. It has one speed, a coaster brake, and a saddle with an integrated handle that can be swapped out for a light mount. For kids ages 6-8, between 45-52-inches tall. It's right for you if... Your kid is ready to leave training wheels behind, and you want to get them a fun, durable, bike that's simple to use. You don't want to settle for a big box brand, because you know the value of a high-quality bike that will keep your kid confident and in control. The tech you get A lightweight Alpha Silver Aluminum frame, one speed, and a coaster brake. Plus, a kickstand and a saddle with an integrated handle that can be swapped out for an integrated taillight mount. Everything on this bike is built to last, so it'll still feel like new when handed down to younger siblings. The final word This bike is the perfect choice for young riders who want to transition from a little kid bike to a big kid bike, with a simple, quality frame that will keep them upright and smiling while they ride at the park with friends or on the local bike paths with your family. Why you'll love it - One speed is all you need—a simple set-up gives kids confidence and helps them stay in control - Coaster brakes are simple and intuitive for kids to use—they just pedal backwards to stop! - You can replace the saddle's integrated handle with an integrated light mount to boost visibility on family adventures and solo excursions - Like all Precaliber bikes, the frame is lower so it's easier for kids to stand over and hop on and off - You shouldn't buy your kid's bike where you buy your cereal—Unlike big box brands, Trek kids' bikes are assembled by people who know bikes

Precaliber 20 Girl's will have your little rider begging to go out for a pedal on their first real big kid bike. It's a great transition model from training wheels. It has one speed, a coaster brake, and a saddle with an integrated handle that can be swapped out for a light mount. For kids ages 6-8, between 45-52-inches tall It's right for you if... Your kid is ready to leave training wheels behind, and you want to get them a fun, durable, bike that's simple to use. You don't want to settle for a big box brand, because you know the value of a high-quality bike that will keep your kid confident and in control. The tech you get A lightweight Alpha Silver Aluminum frame, one speed, and a coaster brake. Plus, a kickstand and a saddle with an integrated handle that can be swapped out for an integrated taillight mount. Everything on this bike is built to last, so it'll still feel like new when handed down to younger siblings. The final word This bike is the perfect choice for young riders who want to transition from a little kid bike to a big kid bike, with a simple, quality frame that will keep them upright and smiling while they ride at the park with friends or on the local bike paths with your family. Why you'll love it - One speed is all you need—a simple set-up gives kids confidence and helps them stay in control - Coaster brakes are simple and intuitive for kids to use—they just pedal backwards to stop! - You can replace the saddle's integrated handle with an integrated light mount to boost visibility on family adventures and solo excursions - Like all Precaliber bikes, the frame is lower so it's easier for kids to stand over and hop on and off - You shouldn't buy your kid's bike where you buy your cereal—Unlike big box brands, Trek kids' bikes are assembled by people who know bikes

Lightweight and trail-ready, this little dirt shredder has a wide range of gears to tackle hills and a durable build that will keep up with their adventures. Built with a lightweight aluminum frame, plenty of stand-over clearance, and easy-to-use gears, this is the rigid version (no front suspension) of the XtC Jr. family. With 20-inch wheels and smooth-rolling tires that can handle the trail, it's a fun and stable way to get started on the trail. Lightweight frame ALUXX-grade aluminum frame provides a lightweight, purpose-built chassis for aspiring young off-road riders. Confidence and control Size-specific wheels give young riders the performance they need for true off-road riding. Kid-friendly features Youth-specific performance components help young riders improve their off-road skills.

Lightweight and easy to maneuver, Enchant puts her on a path to adventure. Safe Liv’s purpose-driven design gives her a comfortable frame geometry with low stand-over height for easy maneuvering and reliable hand brakes for a safely slow and stop. Comfort and Control A comfortable, lightweight ALUXX-Grade aluminum frame design with an upright riding position and twist shifters inspire girls to learn to mountain bike. Why We Love It Enchant is designed to be light, agile, and easy to maneuver on the dirt. Fast-rolling 20-inch wheels and trail-ready tires make Enchant a fun, stable bike to help her build confidence and skills. Hand brakes provide powerful stopping power, and with easy-to-use twist shifters, she’ll feel excited and secure as she tackles new terrain. Enchant inspires girls to take their wheels to the dirt with fun, colorful style in a lightweight package. Young ones are delighted to hop on, thanks to friendly geometry, low stand-over height, and stability that reinforce a positive learning environment.

Precaliber 20 7-speed Boy's is a rugged kids' bike for young adventurers. It has a lightweight frame and quality components like a front suspension fork, 7-speed gearing, and hand brakes that are perfectly sized to better fit small riders. For kids ages 6-8, between 45-52-inches tall. It's right for you if... You love exploring nature on your bike, and want your little adventurer to come along. You're looking for a high-quality kids' bike that's comfortable, durable, and most of all, super fun for your little shredder. The tech you get A strong, lightweight aluminum frame, a simple 7-speed drivetrain that's easy for kids to handle, and a front suspension fork to smooth out bumps on the road and trail. Plus, it has a kickstand, mounts for a rear rack, and a saddle with an integrated handle that can be swapped out for an integrated taillight mount. The final word When you're young, just being outside is an adventure. Precaliber's rugged styling makes it the perfect ride for young explorers. They may pretend to be scaling dangerous mountains or escaping terrible beasts, but with a high-quality build and components, you'll always have peace of mind. Why you'll love it - Intuitive twist shift makes it easy for kids to switch gears when their terrain changes - You can replace the saddle's integrated handle with an integrated light mount to boost visibility on family adventures and solo excursions - Like all Precaliber bikes, the frame is lower so it's easier for kids to stand over and hop on and off - This bike is hand-me-down heaven: it's built to last, so younger siblings can inherit this bike and it'll still feel like new - You shouldn't buy your kid's bike where you buy your cereal—Unlike big box brands, Trek kids' bikes are assembled by people who know bikes

Lightweight and trail-ready, this little dirt shredder has a wide range of gears to tackle hills and a durable build that will keep up with their adventures. Built with a lightweight aluminum frame, plenty of stand-over clearance, and easy-to-use gears, this is the rigid version (no front suspension) of the XtC Jr. family. With 24-inch wheels and smooth-rolling tires that can handle the trail, it's a fun and stable way to get started on the trail. Key Performance Factors Lightweight frame - ALUXX-grade aluminum frame provides a lightweight, purpose-built chassis for aspiring young off-road riders. Confidence and control - Size-specific wheels give young riders the performance they need for true off-road riding. Kid-friendly features - Youth-specific performance components help young riders improve their off-road skills.

Lightweight and easy to maneuver, Enchant puts her on a path to adventure. Safe Liv’s purpose-driven design gives her a comfortable frame geometry with low stand-over height for easy maneuvering and reliable hand brakes for a safely slow and stop. Comfort and Control A comfortable, lightweight ALUXX-Grade aluminum frame design with an upright riding position and twist shifters inspire girls to learn to mountain bike. Why We Love It Enchant is designed to be light, agile, and easy to maneuver on the dirt. Fast-rolling 24-inch wheels and trail-ready tires make Enchant a fun, stable bike to help her build confidence and skills. Hand brakes provide powerful stopping power, and with easy-to-use twist shifters, she’ll feel excited and secure as she tackles new terrain. Enchant inspires girls to take their wheels to the dirt with fun, colorful style in a lightweight package. Young ones are delighted to hop on, thanks to friendly geometry, low stand-over height, and stability that reinforce a positive learning environment.

Precaliber 20 7-speed Girl's is a rugged kids' bike for young adventurers. It has a lightweight frame and quality components like a front suspension fork, 7-speed gearing, and hand brakes that are perfectly sized to better fit small riders. For kids ages 6-8, between 45-52-inches tall. It's right for you if... You love exploring nature on your bike, and want your little adventurer to come along. You're looking for a high-quality kids' bike that's comfortable, durable, and most of all, super fun for your little shredder. The tech you get A strong, lightweight aluminum frame, a simple 7-speed drivetrain that's easy for kids to handle, and a front suspension fork to smooth out bumps on the road and trail. Plus, it has a kickstand, mounts for a rear rack, and a saddle with an integrated handle that can be swapped out for an integrated taillight mount. The final word When you're young, just being outside is an adventure. Precaliber's rugged styling makes it the perfect vessel for young explorers. They may pretend to be scaling dangerous mountains or escaping terrible beasts, but with a high-quality build and components, you'll always have peace of mind. Why you'll love it - Intuitive twist shift makes it easy for kids to switch gears when their terrain changes - You can replace the saddle's integrated handle with an integrated light mount to boost visibility on family adventures and solo excursions - This bike is hand-me-down heaven: it's built to last, so younger siblings can inherit this bike and it'll still feel like new - Like all Precaliber bikes, the frame is lower so it's easier for kids to stand over and hop on and off - You shouldn't buy your kid's bike where you buy your cereal—Unlike big box brands, Trek kids' bikes are assembled by people who know bikes

Precaliber 24 8-speed Boy's is a classic kids' bike with great style, performance, and durability. It has the simplicity of an 8-speed drivetrain and intuitive twist shift that makes it easy for kids to ride varied terrain. Plus, the strong yet lightweight aluminum frame stands up to even the roughest riders. For kids ages 8-12, between 51-59-inches tall. It's right for you if... Your kid loves to explore, and you want them to have a quality ride for all their road, path, or trail adventures. They're ready to upgrade from a singlespeed for a little extra help on hills and longer rides, but they don't need a ton of gears just yet. The tech you get A strong, lightweight aluminum frame that will stand up to whatever your youngster dishes out, with simple and reliable Shimano 8-speed shifting that makes it easy to climb hills. Plus, it has a kickstand, and a saddle with an integrated handle that can be swapped out for an integrated taillight mount. The final word Whether your kids are riding to school, racing around the neighborhood with friends, or tagging along on family rides, Precaliber 24 8-speed features the quality parts they need to ride with confidence and stay in control. Why you'll love it - Intuitive twist shift makes it easy for kids to switch gears when their terrain changes - You can replace the saddle's integrated handle with an integrated light mount to boost visibility on family adventures and solo excursions - This bike is hand-me-down heaven: it's built to last, so younger siblings can inherit this bike and it'll still feel like new - Like all Precaliber bikes, the frame is lower so it's easier for kids to stand over and hop on and off - You shouldn't buy your kid's bike where you buy your cereal—Unlike big box brands, Trek kids' bikes are assembled by people who know bikes

Precaliber 24 8-speed Girl's is a classic kids' bike with great style, performance, and durability. It has the simplicity of an 8-speed drivetrain and intuitive twist shift that makes it easy for kids to ride varied terrain. Plus, the strong yet lightweight aluminum frame stands up to even the roughest riders. For kids ages 8-12, between 51-59-inches tall. It's right for you if... Your kid loves to explore, and you want them to have a quality ride for all their road, path, or trail adventures. They're ready to upgrade from a singlespeed for a little extra help on hills and longer rides, but they don't need a ton of gears just yet. The tech you get A strong, lightweight aluminum frame that will stand up to whatever your youngster dishes out, with simple and reliable Shimano 8-speed shifting that makes it easy to climb hills. Plus, it has a kickstand, and a saddle with an integrated handle that can be swapped out for an integrated taillight mount. The final word Whether your kids are riding to school, racing around the neighborhood with friends, or tagging along on family rides, Precaliber 24 8-speed features the quality parts they need to ride with confidence and stay in control. Why you'll love it - Intuitive twist shift makes it easy for kids to switch gears when their terrain changes - You can replace the saddle's integrated handle with an integrated light mount to boost visibility on family adventures and solo excursions - This bike is hand-me-down heaven: it's built to last, so younger siblings can inherit this bike and it'll still feel like new - Like all Precaliber bikes, the frame is lower so it's easier for kids to stand over and hop on and off - You shouldn't buy your kid's bike where you buy your cereal—Unlike big box brands, Trek kids' bikes are assembled by people who know bikes

Trek’s Precaliber 24 is a true mountain bike perfect for even the most active kids. It features a lightweight aluminum frame, bump-smoothing suspension fork, stout wheels with all-surface Bontrager tires and a hill-flattening 7-speed drivetrain with twist shifters. Simply put, it’s ready for anything from a ride to school to a summer of singletrack fun. The low stand-over height ensures safety and a proper fit for growing riders. Plus, the saddle is super comfortable and the short-reach brake levers mean solid stopping power for smaller hands.

Precaliber 24 8-speed Boy's is a rugged kids' bike built for young adventurers who love riding off the pavement and into the dirt. It has a sturdy yet light aluminum frame with a performance suspension fork and an 8-speed drivetrain perfect for racing home from school, zipping through the woods, and riding trails and paths with family. It's right for you if... You love exploring nature on your bike, and your kid loves adventuring with you! You're looking for a high-quality kids' bike that's comfortable, durable, and has trail-ready parts for your up-and-coming singletrack shredder. The tech you get A strong, lightweight aluminum frame, a simple Shimano 8-speed drivetrain that's easy for kids to handle, and a front suspension fork with 45mm of travel to absorb bumps. Plus, a kickstand, rear rack mounts, and a saddle with an integrated handle that can be swapped out for an integrated taillight mount. Everything on this bike is built to last, so it'll still feel like new when handed down to younger siblings. The final word This rugged, high-quality bike encourages fun and skill-building on the trail. It's perfect for kids who are getting into off-road riding, with a trail-smoothing front suspension fork and an 8-speed drivetrain. Why you'll love it - This bike can get your youngster hooked on a lifetime hobby that's healthy, environmentally friendly, and fun - Intuitive twist shift makes it easy for kids to switch gears when their terrain changes - You can replace the saddle's integrated handle with an integrated light mount to boost visibility on family adventures and solo excursions - Like all Precaliber bikes, the frame is lower so it's easier for kids to stand over and hop on and off - You shouldn't buy your kid's bike where you buy your cereal—Unlike big box brands, Trek kids' bikes are assembled by people who know bikes

Precaliber 24 8-speed Girls is a rugged kids' bike built for young adventurers who love riding off the pavement and into the dirt. It has a sturdy yet light aluminum frame with a performance suspension fork and an 8-speed drivetrain perfect for racing home from school, zipping through the woods, and riding trails and paths with family. It's right for you if... You love exploring nature on your bike, and your kid loves adventuring with you! You're looking for a high-quality kids' bike that's comfortable, durable, and has trail-ready parts for your up-and-coming singletrack shredder. The tech you get A strong, lightweight aluminum frame, a simple Shimano 8-speed drivetrain that's easy for kids to handle, and a front suspension fork with 45mm of travel to absorb bumps. Plus, a kickstand, rear rack mounts, and a saddle with an integrated handle that can be swapped out for an integrated taillight mount. Everything on this bike is built to last, so it'll still feel like new when handed down to younger siblings. The final word This rugged, high-quality bike encourages fun and skill-building on the trail. It's perfect for kids who are getting into off-road riding, with a trail-smoothing front suspension fork and an 8-speed drivetrain. Why you'll love it - This bike can get your youngster hooked on a lifetime hobby that's healthy, environmentally friendly, and fun - Intuitive twist shift makes it easy for kids to switch gears when their terrain changes - You can replace the saddle's integrated handle with an integrated light mount to boost visibility on family adventures and solo excursions - Like all Precaliber bikes, the frame is lower so it's easier for kids to stand over and hop on and off - You shouldn't buy your kid's bike where you buy your cereal—Unlike big box brands, Trek kids' bikes are assembled by people who know bikes

Wahoo 24 is a lightweight, simple, and practical kids' hybrid bike that makes it easy for your little one to make the most of every ride. This versatile ride is built for ease of use: it's light, capable on a variety of surfaces, and equipped with a 1x8 drivetrain and a wide range of gearing for wherever your little one roams. For kids ages 8-12, between 51-59 inches tall. It's right for you if... You know riding is about having fun, and you want your little one to have a capable ride that's easy to operate, easy to handle, and versatile. Whether you're riding as a family or commuting to school in the morning, Wahoo delivers one great ride after another. The tech you get A lightweight Alpha Aluminum frame that's easy for kids to pick up and maneuver, multi-surface tires for traction on a variety of terrain, and a 1x8 drivetrain that simplifies the shifting process so kids can focus on what matters: having fun! The final word Wahoo is an all-purpose kids' bike with great all-around performance. It's light, practical, built for ease of use, and a lot of fun to ride. Plus, it's super easy to accessorize so your little one can make it their own! Why you'll love it 1 - Lightweight and capable: Wahoo's aluminum frame is strong and durable, but still light enough that it's easy for kids to control 2 - Closed dropouts with Trek's proprietary ThruSkew, a safety feature that ensures the wheels will never drop out unintentionally 3 - A simple 1x8 drivetrain simplifies shifting so kids can focus on having fun! 4 - You shouldn't buy your kid's bike where you buy your cereal - Unlike big box brands, Trek kids' bikes are assembled by people who know bikes

Roscoe 24 is a mid-fat kids' mountain bike designed to build confidence on the trail. It takes cues from the adult Roscoe, but this ride was built from the ground up for kids. 2.8" mid-fat tires, a 1x drivetrain, and a wide-range cassette make Roscoe the ideal bike for little rippers who want to build skills and have a ridiculous amount of fun keeping up with Mom, Dad, or an older sibling. Fit for riders 51-59" tall. It's right for you if... Your little shredder is ready to hop off the neighborhood streets and onto the trail, and you want to get them started the right way with a real-deal mountain bike that builds skills and confidence from the outset. If you're looking to teach your little one the wisdom of the trail, there's no better teaching tool than Roscoe. The tech you get A durable Alpha Gold Aluminum frame with a sloping top tube for added clearance, 24" wheels with mid-fat 2.8" tires for added traction and stability, a 1x8 Shimano drivetrain with a wide-range cassette for hills and technical sections, mechanical disc brakes, and loads of thoughtful details borrowed from adult MTB tech, like a closed front dropout and a tucked-in rear brake caliper so when kids drop their Roscoe it doesn't mean an automatic trip to the shop for a replacement part. The final word Give a kid a Roscoe and you'll make a mountain biker for life. Mid-fat tires and a wealth of kid-specific design details make this bike the perfect introduction to the trail. If your little one is ready to tag along when you hit the singletrack, this is the kid-friendly set-up that's made to build confidence, skills, and a healthy obsession with the world's greatest activity. Why you'll love it - There's no family outing as fun as a trail session, and Roscoe is the ideal kids' bike for building great memories - This isn't a small adult bike—it's built from the ground up for kids, by people who know exactly what works for them and what doesn't - When you're learning to ride, simplicity is best: a 1x8 drivetrain lets kids focus on keeping the rubber side down - The kid-specific frame geometry has a sloping top tube that makes it easier to hop on and off - The rear brake caliper is tucked into the frame to help prevent damage from laying the bike down