Shimano Alivio M4000 Rear Derailleur
Model: Sgs long cage
Suitable for 8 Speed or 9 speed
Weight: About 255g
Shimano M4000 rear derailleur is a upgrade version of RD-M430,with the latest shadow RD technology.
Package Includes :
1 X New Shimano 8/9 Speed ALIVIO RD-M4000 Rear Derailleur Mech without retail packaging
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