Shimano's Altus shifting line provides great quality shifting for an entry level touring rider. With Shimano's Indexed Shifting technology, you can rely on clean sharp shifts every time.

The Shimano Altus M310 is an excellent value rear derailleur that offers great performance. Built for a 7 or 8-speed drivetrain, it has the capacity to handle a double or triple crankset.

Features:

• Cage Length: Long Cage (SGS)
• Max Sprocket: 34 Tooth
• Total Capacity: 43 Tooth
• Speed: 7/8 speed
• Weight: 326g

Fits Smartmotion E-City, Eurban and E20 (Pre 2020)

Suits Shimano RD-M315 and RD-M315-8R Altus 8 Speed with OPTICAL GEAR DISPLAY