Shimano Altus RD M310 7 Speed 8 Speed Black MTB Rear Derailleur RD-M310
Upgrade or replace your mountain bike’s drivetrain with a derailleur trusted by cyclists worldwide. 🚀 Why the Shimano Altus RD-M310 Rear Derailleur is the Smart Choice. ✅ Speed Compatibility: 7‑speed / 8‑speed Shimano drivetrains.