- All-mountain SLX HollowTech II crank set is tough and aggressive yet also lightweight and excellent value
- The HollowTech II Chainset features hollow forged crank arms which are both lightweight and rigid whilst being incredibly strong and durable
- HollowTech II integrated bottom bracket design uses a wide bearing placement with a large axle diameter for increased stiffness, efficiency and added durability
- 70 degree spider arm for optimal rigidity
- For 12-speed SM-CRM75 chainring (sold separately)
- SM-CRM75 chainring teeth feature Shimano Dynamic Chain Engagement technology offering enhanced chain retention, driving rigidity and highly efficient
- We recommend that the bottom bracket is initially installed by a bike shop to ensure perfect facing and fit
- For use with 12-speed HG+ MTB chains only
- With a 55 mm single ring chain line for use in conjunction with 148 mm O.L.D.
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