

MODEL NO | FC-R7100 |
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SERIES | SHIMANO 105 R7100 Di2 Series |
Color | Black |
Rear speeds | 12 |
Compatible chain | HG 12-speed |
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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 | ✔ |