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Shimano Ultegra FC-R8100 Hollowtech II Crankset 2x12-speed
Shimano Ultegra FC-R8100 Hollowtech II Crankset 2x12-speed
Shimano Ultegra FC-R8100 Hollowtech II Crankset 2x12-speed

Shimano Ultegra FC-R8100 Hollowtech II Crankset 2x12-speed

Regular price
$468.00
Sale price
$421.00
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SHIMANO ULTEGRA HOLLOWTECH II Crankset 2x12-speed
FC-R8100 NEW
ULTEGRA's new FC-R8100 crank maintains the same quick, precise front shifting and efficient power transfer that Shimano riders have grown accustomed to, but with even more crank arm length options. Spanning 160 to 175 mm in length, ULTEGRA cranks now cater to smaller riders, triathletes, and cyclists curious about shorter crank arms.

An integral part of Shimano's new 12-speed road lineup, the FC-R8100 crank 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 lengths from 160 to 175 mm, bringing performance and improved fit for smaller riders, triathletes, and riders with specific biomechanical requirements.

FEATURES
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
52-36 and 50-34 chainring options. 160, 165, 170, 172.5, and 175 mm crank arm lengths.



PRODUCT SPECIFICATIONS
MODEL NO: FC-R8100
SERIES: ULTEGRA R8100 Series
Color: Series color
Average weight: 700 (50-34T) 711 (52-36T)
Threaded bottom bracket shell width (mm)_70: ✔ 
Chainring combination: 50-34T 52-36T
Compatible bottom bracket type_Outboard: ✔
Crank fixing screw included: ✔
Crank arm length (mm)_160: ✔
Crank arm length (mm)_165: ✔
Crank arm length (mm)_170: ✔
Crank arm length (mm)_172.5: ✔
Crank arm length (mm)_175: ✔
Spider/Gear arms: 4
HOLLOWGLIDE: ✔
HOLLOWTECH II: ✔
HOLLOWTECH crank arm: ✔
Optional chain guard_Without chain/bash guard: ✔
Recommended bottom bracket_Press-fit: SM-BB72-41B
Recommended bottom bracket_Threaded (normal): SM-BBR60
Threaded bottom bracket shell width (mm)_68: ✔
Q-factor (mm): 148
Chain line (mm): 44.5
Compatible chain: HG 12-speed
P.C.D. (mm): 110
Rear speeds: 12