Shimano RD-M310 Rear Derailleur Altus 7/8-Speed Bike Mud Guards It has all the features

It has all the features that style and performance conscious enthusiasts are looking for

this is a versatile beginner bag

stainless-steel armour that can handle taking a tumble

AirGPS is ideal for anyone who wants to measure time

The 50ml size offers convenient portability for on-the-go application

Shimano RD-M310 Rear Derailleur Altus 7/8-Speed Bike Mud Guards It has all the featuresThe Altus M310 is an affordable but high performing rear derailleur. Ideally suited to a 7 or 8 speed drivetrain, it has enough capacity to handle a double or triple crankset. With its light action design, teflon coated bushings and efficient spring, this derailleur is perfect for leisure cycling and touring.