Shimano Alivio Cranksets feature Shimano's patented Hyperdrive system to provide quiet, easy and trouble-free shifting.
- 28-38-48t Hyperdrive SG-X chainrings with integrated chainguard
- 7/8-speed chain compatible
- Replaceable chainrings
- JIS square taper spindle interface, 123mm spindle length recommended
- Bottom bracket not included
Confused about bottom bracket standards and what it is you need? Here''s a comprehensive look at the subject:
The Bottom Bracket (Un)Standard blog post.