Shimano FC-M670 10-speed SLX chainset - HollowTech II - 42 / 32 / 24T - 175 mm

The All-mountain Shimano SLX HollowTech II chainset is tough and aggressive yet also lightweight and excellent value

This Shimano HollowTech II Chainset features hollow forged black crank arms which are both lightweight and rigid whilst being incredibly strong and durable

A HollowTech II integrated bottom bracket for 68mm and 73mm bottom brackets shells is included and the design uses a wide bearing placement with a large axle diameter for increased stiffness, efficiency and added durability

This triple chainring version comes with a drilled steel and carbon composite construction middle ring for excellent rigidity and durability

10-speed Dyna-Sys chainrings

HG-X chainring with patented spike pins give smooth and fast gear shifts under load

Shimano 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

Comes complete with bottom bracket for 68 and 73 mm frames

175mm length cranks