The Shimano Alivio RD-M4000 SGS is a 9 speed rear derailleur with top normal pull. Quick and smooth shifting with a sleek look. Shimano Shadow rear derailleurs can be mounted to traditional derailleur hangers and direct mount hangers. Direct Mount hangers position the mounting bolt approximately 25mm rearward. When mounting to a Direct Mount frame, remove the B2 link plate and mount the knuckle directly to the hanger with the provided 10mm bolt.
Long Cage Compatible with 9 speed cassettes or freewheels RD-M4000 SGS With Shimano Packaging Only 254 grams