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An attractive aluminum crank with hollow arms for lightweight, rigidity, and durability

 

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.

SHIMANO 105 FC-R7100 HOLLOWTECH II (2X12S) CRANKSET (BLACK)

₹14,890.00Price
    • 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
  • MODEL NO FC-R7100
    SERIES SHIMANO 105 R7100 Di2 Series
    Color Black
    Average weight 754 (50-34T)
    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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