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Original spare part to restore your rear derailleur to like-new condition. The cage is delivered ready for assembly and can be exchanged within seconds without tools. All you have to do is remove the chain and then detach it from the rear derailleur with a twisting motion. Assembly is just as easy as disassembling.
The cage is delivered to you completely pre-assembled including a new spring and damping.
SPECIFICATIONS
Material: aluminium, plastic
Compatibility: RD-90-A1
Colour: Black
