Shimano Altus 7/8V Rear Derailleur Silver 2015

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. The rear derailleur always keeps close to the cassette sprockets, allowing smooth and effortless gear changing. Wide link for durability and precise shifting. Brand Leader On the Market Quality Exceptional Yield High quality weather