Details
An integral part of the Shimano Ultegra 12-speed road lineup, the FC-R8100 crankset builds upon Shimano's legendary front shifting and transmission efficiency. With new refinements for seamless 12-speed shifting, the Ultegra crank is now offered in a wide variety of lengths, bringing performance and improved fit for smaller riders, triathletes, and riders with specific biomechanic requirements.
- Optimal balance of stiffness, strength, weight and rotational performance
- Hollowglide structure cuts weight yet maintains strength for better power transfer and quicker, more precise front shifting
- 148mm Q-factor
- 44.5mm chainline
Part Numbers
Option | UPC | MPN | Store SKU |
---|---|---|---|
50/34T / Black / 160mm | 192790893747 | IFCR8100MX04 | FRO45665103O |
52/36T / Black / 160mm | 192790893938 | IFCR8100MX26 | FRO45479541O |
50/34T / Black / 165mm | 192790893990 | IFCR8100AX04 | CRA38397497Y |
52/36T / Black / 165mm | 192790893785 | IFCR8100AX26 | CRA38835031Y |
50/34T / Black / 170mm | 192790894102 | IFCR8100CX04 | FRO45441193O |
52/36T / Black / 170mm | 192790894096 | IFCR8100CX26 | FRO45348585O |
50/34T / Black / 172.5mm | 192790894089 | IFCR8100DX04 | FRO45823033O |
52/36T / Black / 172.5mm | 192790894058 | IFCR8100DX26 | FRO45173598O |
50/34T / Black / 175mm | 192790894003 | IFCR8100EX04 | FRO45588260O |
52/36T / Black / 175mm | 192790893723 | IFCR8100EX26 | FRO45509327O |