PRODUCT SPECIFICATIONS
MODEL NO | FC-M171 |
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SERIES | SHIMANO |
Color | 4 color variations |
Remarks | SHIMANO logo |
Spider/gear arms | 4 |
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Chainring combination | 48 |
Q-factor (mm) | 1805 |
Crank arm length (mm)|165 | X* |
Crank arm length (mm)|170 | ✔ |
Crank arm length (mm)|175 | ✔ |
Optional chain guard|With chain guard | ✔ |
Optional chain guard|Without chain/bash guard | ✔ |
Compatible bottom bracket type|Square | ✔ |
Recommended bottom bracket|Threaded (normal) | BB-UN100 |
Recommended bottom bracket|Threaded (chain case) | BB-UN100-K |
Axle length of BB-UN/ES (mm)|Threaded (normal) | D-NL |
Axle length of BB-UN/ES (mm)|Threaded (chain case) | D-NL K |
Threaded bottom bracket shell width (mm)|68 | ✔ |
Threaded bottom bracket shell width (mm)|73 | ✔ |
Chain case compatible | ✔ |