SHIMANO DEORE XT Crankset
Since their introduction many years ago, Shimano Hollowtech cranks have been the best cranks you can put on a mountain bike. Extremely strong, remarkably lightweight, and stiffer than a straight shot of whiskey.
The crankarm construction exemplifies the level of craftsmanship that’s put into a Shimano crankset, utilizing a 3D hollow bonded structure to further reduce weight and increase stiffness. Chainrings are easily exchanged with the new direct-mount system and the cranks can be swapped between single and double front chainring setups. The spacing and chainline are optimized for Boost-spaced rear hubs for proper cassette positioning.
Features:
The product weight specified is an approximate weight based on the manufacturer’s specifications (if available) or our measurement of one or two examples. For most products, the weight will typically vary by 5% to 10%.
Specifications
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Model Number: FC-M8120-1 |
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Series: SHIMANO DEORE XT M8100 Series |
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Weight: 660 g (36T), 642 g (34T), 628 g (32T), 630 g (30T), 616 g (28T) |
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Chainline: 55 |
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Chain ring combination: 28T, 30T, 32T, 34T, 36T |
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BB Compatibilty: Outboard |
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Compatible chain: HG 12-speed |
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Crank Arm Length: 165 mm, 170 mm, 175 mm, 180 mm |
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Gear arms: 4 |
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P.C.D.: Direct |
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Rear Speeds: 12 |
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Threaded BB Shell Width: 68 mm, 73 mm |
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Q Factor: 178 mm |
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165mm – no chainring |
Mfg PartNum: IFCM81201AXXT |
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170mm – no chainring |
Mfg PartNum: IFCM81201CXXT |
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175mm – no chainring |
Mfg PartNum: IFCM81201EXXT |







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