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Why We Like The XT FC-M8120 1x Crank Arms
We may as well put ‘Deore XT’ in the dictionary as a synonym of 'quality'. These Shimano XT FC-M8120 Crank Arms are built for us to put them through the wringer. Seen on our cross-country and enduro bikes, they’re light enough for all-day trail use and durable enough for us to throw down on big park days. The newest XT offering is equipped with a cinch chainring to minimize creaking and weight while working with the latest and greatest Shimano 12-speed drivetrain systems.
Details
- Durable every-day and any-bike crank arm
- Cinch chainrings install easily and are hassle-free
- Upgraded crank arms for the 12sp Shimano family
- Hollowtech+ is lightweight and ultra-durable
- Dynamic Chain Engagement keeps 1x chains on the chainring
- Item #SHIU1D7
- Arm Material
- aluminum
- Arm Length
- 165mm, 170mm, 175mm, 180mm
- Chainring Sizes
- 28T, 30T, 32T, 34T, 36T
- Bolt Circle Diameter
- direct mount
- BB Type
- [recommended pressfit] BB-MT800-PA, [recommended threaded] BB-MT800
- Spindle
- 24mm
- Q Factor
- 178mm
- Chainline
- 55mm
- Compatible Components
- DEORE XT M8100 Series
- Includes
- 1 lockring, 1 preload cap, 2 crank spacers
- Claimed Weight
- [28t] 1lb 5.7oz (616g), [30t] 1lb 6.2oz (630g), [32t] 1lb 6.2oz (628g), [34t] 1lb 6.6oz (642g), [36t] 1lb 8.3oz (660g)
- Manufacturer Warranty
- 3 years
100+ Years in the Making
Founded in Japan in 1921, Shimano has spent over a century earning the trust of riders at every level. Their precision engineering and relentless drive to innovate have made Shimano components a fixture on trails and roads worldwide.
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