For reliable mountain bike shifting, Shimano's SL-M315 RAPIDFIRE shift lever is suited to quick shifting, giving riders the ability to downshift three gears in one stroke.

- Slim main lever body
- OPTISLICK for smooth shifting performance
- Gear display positioned below the handlebar
- Numbered gear display indicates gear position at a glance
- Light shifting operation, wider compatibility, and suitable for internal cable routing
- Streamlined cockpit experience