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Shimano 105 chainwheel-12 speed FC-R7100

Shimano 105 chainwheel-12 speed FC-R7100

Regular price $4,026.00 TWD
Regular price Sale price $4,026.00 TWD
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The newly designed crank arms offer an optimized balance between lightweight and efficiency. The crank, formed with hollow aluminum technology, is anodized with a beautiful gloss black anodized finish, giving it a luxurious look. The resin ribs on the back of the chainrings are SHIMANO 105's unique structural design that achieves both thorough weight reduction and crisp shifting performance.


FEATURES:

Optimal balance of stiffness, strength, weight and rotational performance
HOLLOWTECH II structure cuts weight yet maintains strength for better power transfer
Crank arm length: 160, 165, 170, 172.5, 175 mm
Gear combination: 50-34T, 52-36T

Q-factor: 148 mm

PRODUCT SPECIFICATIONS
MODEL NO  FC-R7100
SERIES  SHIMANO 105 R7100 Di2 Series
Color  Black
Rear speeds  12
Compatible chain  HG 12-speed
Chain line (mm)  44.5
P.C.D. (mm)  110
Spider/Gear arms  4
Chainring combination  50-34T 52-36T
Q-factor (mm)  148
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  ✔
Optional chain guard|Without chain/bash guard  ✔
HOLLOWTECH II  ✔
HOLLOWTECH crank arm  ✔
Compatible bottom bracket type|Outboard  ✔
Recommended bottom bracket|Threaded (normal)  SM-BBR60
Recommended bottom bracket|Press-fit  SM-BB72-41B
Threaded bottom bracket shell width (mm)|68  ✔
Threaded bottom bracket shell width (mm)|70  ✔
Crank fixing screw included  ✔
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