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) |
160 |
| Defined Color |
Black |
| Drivetrain Speeds |
12 |
| Number of Chainrings |
Double |
| Pedal Spindle |
9/16″ |
| Rings |
52/36 |
| Spindle Interface Type |
Shimano Hollowtech II |
Shimano Ultegra FC-8100 12-Speed Crankset Crankset UPC: 192790893938
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