Shimano Altus SL-M310 3-Speed RapidFire Left Shift LeverThe Shimano Altus SL-M410 3-Speed Shift Lever has a redesigned thumb lever shape and a wide optical display for easier, more accurate shifting.
- 3-speed indexed shifting for crisp, precise gear changes
- Wide optical gear display makes it easy to see which gear you're in
- New ergonomic thumb lever shape makes shifting gears easy
- Smooth-shifting upgrade for mountain bikes or hybrid bikes
- Compatible with mountain triple front derailleur/shifter
- Left shift lever only
Shimano Altus SL-M310 3-Speed RapidFire Left Shift Lever