BOX Three Prime 9 X-Wide Rear Derailleur - 9-Speed, Long Cage, Matte Black
The Box Three Prime 9 Rear Derailleur is a simple, but fully-featured and wallet-friendly rear derailleur. It includes a limited slip clutch, sealed bearing pulleys and a solid construction. It is compatible with 11-46 and 11-50t cassettes making it one o
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