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Shimano Deore XT FC-M8120-1 Crankset 165mm - no chainring
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Shimano Deore XT FC-M8120-1 Crankset

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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:

  • Special MTB gear teeth profile improves chain engagement and retention
  • Hollow forged crank maximizes power transfer while limiting weight
  • Superior chain retention
  • Rigid and lightweight design for aggressive trail riding
  • Spacing: Boost
  • Q-factor: 178 mm
  • Chainline: 55 mm
  • Weight: 616 g (28T), 630 g (30T), 628 g (32T), 642 g (34T), 660 g (36T)

  • B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.

    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%.

    Model Number: FC-M8120-1 

    Series: SHIMANO DEORE XT M8100 Series 

    Weight: 660 g (36T), 642 g (34T), 628 g (32T), 630 g (30T), 616 g (28T) 

    Chainline: 55 

    Chain ring combination: 28T, 30T, 32T, 34T, 36T 

    BB Compatibilty: Outboard 

    Compatible chain: HG 12-speed 

    Crank Arm Length: 165 mm, 170 mm, 175 mm, 180 mm 

    Gear arms: 

    P.C.D.: Direct 

    Rear Speeds: 12 

    Threaded BB Shell Width: 68 mm, 73 mm 

    Q Factor: 178 mm

    165mm - no chainring

    Mfg PartNum: IFCM81201AXXT 

    170mm - no chainring

    Mfg PartNum: IFCM81201CXXT 

    175mm - no chainring

    Mfg PartNum: IFCM81201EXXT 

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