![Shimano Ultegra FC-R8100 Crankset](jpg/b209b23795d88cd2bca8266bd9b9d65c_1000x4d56.jpg)
![Shimano Ultegra FC-R8100 Crankset](jpg/f036867f4a806e85bdb5b8706c780b3c_1000xeb7c.jpg)
![Shimano Ultegra FC-R8100 Crankset](jpg/5d03e793beaa72acbd6dfeffd9aa598d_1000x6680.jpg)
![Shimano Ultegra FC-R8100 Crankset - 165mm - 50/34](jpg/e7wxrvvztvbkcuo3cpu3_900x76ff.jpg)
Shimano Ultegra FC-R8100 Crankset
Crank Length
Chain Rings
Shimano Ultegra FC-R8100 Crankset
172.5mm / 50/34T
Stage 21 Bikes
23582 Moulton Parkway
#111
Laguna Woods CA 92637
United States
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
- Number of Chainrings: Double
- Pedal Spindle: 9/16"
- Crank Length (mm): 165, 170, 172.5, 175
- Crank Intended Use: Road
- Chainline/Hub Compatibility: 130 Hubs
- Spindle Interface Type: Shimano Hollowtech II
- Drivetrain Speeds: 12
- Chainring BCD: 110 Shimano Asymmetric
- BB Included: No