Shimano FCM677 SLX 10 Speed Chainset

Key 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
• 10-speed Dyna-Sys plus chainrings
• HG-X chainring with patented single spike pin give smooth and fast gear shifts under load
• We recommend that the bottom bracket is initially installed by a bike shop to ensure perfect facing and fit
• For use with 10-speed HG-X MTB chains only

Occasionally, without notice, manufacturers change product design and/or specifications.