PRODUCT SPECIFICATIONS
| MODEL NO | FC-M985 |
|---|---|
| SERIES | XTR M980 Series |
| Color | Series color |
| Average weight | 647.7g (44-30T)631.1g (42-30T)623.6g (40-28T) |
| Bike Type | MTB |
|---|---|
| Arm adapter | ✔ |
| Chain line (mm) | 48.8 |
| Chainring combination | 44 |
| Compatible bottom bracket type_Outboard | ✔ |
| Compatible BB type | Square |
| Compatible chain | HG-X 10-speed |
| Crank Arm Length | 170mm | 175mm |
| Crank arm length (mm)_170 | ✔ |
| Crank arm length (mm)_172.5 | ✔ |
| Crank arm length (mm)_175 | ✔ |
| Crank arm length (mm)_180 | ✔ |
| Spider/Gear arms | 4 |
| Optional chain guard_Without chain/bash guard | ✔ |
| Optional Chain Guard | With chain guardWithout chain / bash guard |
| P.C.D. (mm) | 88 |
| Rear speeds | 10 |
| Recommended bottom bracket_Press-fit | SM-BB94-41A |
| Recommended bottom bracket_Threaded (E-type) | SM-BB93 |
| Recommended bottom bracket_Threaded (normal) | SM-BB93 |
| Threaded bottom bracket shell width (mm)_68 | ✔ |
| Threaded bottom bracket shell width (mm)_73 | ✔ |
| Threaded BB Shell Width | 68mm | 73mm |
| Crank arm fixing bolt_With | ✔ |
| Includes Crank Arm Fixing Bolt | Yes |
| Q-factor (mm) | 162 |
SERIES LINE-UP
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Disc Brake Rotor SM-RT98
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Rear Derailleur RD-M981-SGS
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Front Derailleur FD-M980
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Front Derailleur FD-M980-E
REPLACEMENT PARTS
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Chainring Chainring 44T for FC-M985
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Chainring Chainring 42T for FC-M985
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Chainring Chainring 40T for FC-M985
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Chainring Chainring 30T for FC-M985
