Shimano RR MECH Alivio T4000 9s SGS Silver sgs - long

Great value alivio rear derailleur offering crisp performance on- and off-road for 9-speed drivetrainswide link design increases rigidity and service lifealloy body and outer link leads to lower weight without compromising strength and durability11-tooth pulleys for reduced pulley wear and chain noiseadvanced light action design with low friction fluorine coated link pivot bushingsfor use with 28 to 34 tooth low rear sprockets, total capacity 45 teethtop-normal swing designcompatible with 9-speed hyperglide sprockets