One Prime 9 X-Wide Rear Derailleur – 9-Speed Long Cage Black
Prime 9 Technology for less derailleur travel and better chainline. Less wear and improved lifespan Box One features: Adjustable Tri-Pack limited slip clutch, forged inner and outer cage, Pivot-Tech cable stay, sealed bearing pulleys and 3D forged linkages
$97.50
$194.99

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