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The SHIMANO DEORE XT FC-M8100-1 crank features an entirely new construction, using direct mount chainrings, special gear tooth profile for improved chain retention, and a 172mm Q-factor.
Superior chain retention
Special MTB gear teeth profile improves chain engagement and retention
DYNAMIC CHAIN ENGAGEMENT+
Model No: FC-M8100-1
Series: DEORE XT
Rear speeds: 12
Compatible chain: HG 12-speed
Chain line (mm): 52
O.L.D.: Thru (mm): 142, 148, QR/Nut (mm): 135, 141
P.C.D. (mm): Direct
Spider/gear arms: 4
Chainring combination: 28T, 30T, 32T, 34T, 36T
Q-factor (mm): 172
Crank arm length (mm): 165 ✔, 170 ✔, 175 ✔, 180 ✔
Optional chain guard: Without chain/bash guard ✔
HOLLOWTECH II: ✔
Compatible bottom bracket type: Outboard ✔
Recommended bottom bracket: Threaded (normal): BB-MT801, Press-Fit: BB-MT800-PA
Threaded bottom bracket shell width (mm): 68 ✔, 73 ✔
Crank fixing screw included: ✔
Average weight: 608 (28T) 622 (30T) 620 (32T) 633 (34T) 651 (36T)
Color: Series color
