Three Prime 9 X-Wide Rear Derailleur - 9-Speed, Long Cage, Matte Black Protection The internal air-channeling works in

The internal air-channeling works in synergy with the exhaust ports

sand or street

makes the Breakaway in the United States… Bicycling magazine

Trainer Mode and multiple bike profiles

Nuun Sport Powder

Three Prime 9 X-Wide Rear Derailleur - 9-Speed, Long Cage, Matte Black Protection The internal air-channeling works inThe 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 of the most versatile derailleur offerings for Prime 9 drivetrains. Prime 9 technology offers the same range as a 12 speed drivetrain, with fewer gears to shift through The limited slip clutch engages