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Shimano

Shimano 105 12-Speed Double Chainring-Black-FC-R7100

Shimano 105 12-Speed Double Chainring-Black-FC-R7100

IFCR7100MX04

£85.00 GBP
£105.00 GBP £85.00 GBP
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SHIMANO-尺寸 (曲柄長度)
SHIMANO-Crank Teeth (RD Crank Chainring 2X)
  • Optimal balance of rigidity, strength, weight, and rotating performance
  • HOLLOWTECH II structure provides a best balance of lightness and optimum power transfer efficiency
  • Crank length: 160, 170, 172.5mm
  • Gear combination: 50-34T
  • Q-factor: 148 mm

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    Product Specifications

    MODEL NO FC-R7100
    SERIES SHIMANO 105 R7100 Di2 Series
    Color Series color
    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 guard/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 bolt included ✔

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