Details
The XTR Trail triple-ring crank delivers all-day efficiency for the widest range of terrain thanks to CloseStep gear ratios, Dual Spike chainring technology and legendary XTR stiffness.
| Model Number |
FC-M980 |
| Series |
XTR |
| Crank Construction |
HOLLOWTECH II |
| Cassette Compatibility |
10-speed |
| Chain Compatibility |
HG-X 10-speed |
| 4-Arm Chainrings |
|
| Cahainring Sizes |
42-32-24T/ 38-26T |
| Bolt Circle Diameter |
|
| Crank Arm Length |
165/170/175/180mm |
| Crank Arms |
|
| Outer Chainring |
Aluminum |
| Middle Chainring |
Titanium-Carbon composite (triple) |
| Inner Chainring |
Aluminum |
| Chainring Bolts & Nuts |
|
| Chain Guard |
- |
| Chaincase Compatible |
- |
| Bottom Bracket |
SM-BB90-A |
| E-type FD Compatible |
Yes |
| Chain Line |
Triple: 50mm Double: 46.8mm |
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