– Altus MegaRange MTB rear derailleur with light action operation and over-size pulleys for a wide gear choice
– Oversize 15-tooth tensioner and 13-tooth guide pulleys reduce noise and wear
– Top normal spring for use with Rapidfire shifters
– 7 and 8 speed compatible
– For use with 28 to 34 tooth low rear sprockets, total capacity 43 teeth