Shimano M660 10-speed SLX Chainset HollowTech II
The 10-speed Dyna-Sys SLX HollowTech II chainset is tough and aggressive yet also lightweight and excellent value.
- 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.
- Two tone anodized finish for long lasting good looks
- Comes complete with bottom bracket for 68 and 73 mm frames.
For use with 10-speed HG-X MTB chains only
