All-mountain SLX HollowTech II crank set is tough and aggressive yet also lightweight and excellent value.

Features

• 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.