Shimano Altus Rear Derailleur
The new ALTUS series will take over the DNA of ALIVIO/ACERA MTB spec. and support first-time off-road experience. Come with various features to realize bike geometry for good maneuverability, stress-free shifting/braking operation to control the bicycle as you wish. The new ALTUS offers identity ownership with upgraded features/appearance. The Altus RD-M310 is a light-action MTB rear derailleur for 7/8-speed shifting systems. It features a low-profile concept with double servo-pantograph technology that improves adjustability and resists weather and contamination.