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.
- 148mm Q-factor
- 44.5mm chainline
- 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
| Item Specifications | |
|---|---|
| BB Included | No |
| Chainline/Hub Compatibility | 130 Hubs |
| Chainring BCD | 110 Shimano Asymmetric |
| Color | Black |
| Crank Intended Use | Road |
| Crank Length (mm) | 172.5 |
| Defined Color | Black |
| Drivetrain Speeds | 12 |
| Number of Chainrings | Double |
| Pedal Spindle | 9/16" |
| Rings | 52/36 |
| Spindle Interface Type | Shimano Hollowtech II |