Shimano M315 7/8 Speed MTB Shifter + Altus RD-M310 Rear Derailleur – 21/24 Speed

Upgrade your mountain bike drivetrain with the trusted Shimano M315 shifter and Altus RD-M310 rear derailleur. Designed for 7- and 8-speed systems, this combo offers reliable shifting, clear gear display, and long-lasting performance. Whether you ride trails or commute daily, Shimano quality ensures consistent control and smooth transitions on every ride.

Perfect for MTB riders seeking durability, precision, and easy installation—this setup is a smart choice for beginners and experienced cyclists alike.

FAQ

Q1: Is Shimano M315 compatible with 21 and 24 speed bikes?
Yes, it works perfectly with both 21-speed (3×7) and 24-speed (3×8) setups.

Q2: Can I use this shifter with non-Shimano parts?
For best performance, it’s recommended to use Shimano-compatible drivetrains.

Q3: Does the shifter have a gear display?
Yes, the Shimano M315 includes a clear optical gear indicator.

Q4: Is this suitable for road bikes?
No, this product is designed specifically for MTB and hybrid bikes.

Q5: Is professional installation required?
Not mandatory, but professional fitting ensures optimal shifting performance.