Shimano FC-M660 10-speed SLX chainset - HollowTech II - 42 / 32 / 24T - 175 mm

Features:

• 10-speed Dyna-Sys SLX HollowTech II chainset 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
• Uses drilled steel and carbon composite construction middle ring for excellent rigidity and durability
• HG-X chainring with patented spike pins give smooth and fast gear shifts under load
• For use with 10-speed HG-X MTB chains only
• We recommend that the bottom bracket is initially installed by a bike shop to ensure perfect facing and fit
• Two tone anodized finish for long lasting good looks
• Close ratio gear combination: 42-32-24T provides improved cadence while reducing pedal feedback on suspension bikes
• Comes complete with bottom bracket for 68 and 73 mm frames

Shimano FC-M660 10-speed SLX chainset - HollowTech II - 42 / 32 / 24T - 175 mm