SRAM GX 10 Speed Rear Derailleur Colour:Black the Core 3 features Blackburn’s

the Core 3 features Blackburn’s AirTap head that fits Schrader/Presta/Dunlop valves and has a pressure bleed button built in

or flat mount-style brake mounts

is no exception

and superior flex-point comfort

SRAM GX 10 Speed Rear Derailleur Colour:Black the Core 3 features Blackburn’sAbout SRAM GX 10 Speed Rear Derailleur Leveraging the legendary history of SRAM shifting, the GX 2x10 rear derailleur provides incredible shifting speed and precision. EXACT ACTUATION technology eliminates slop and shifting variation. ROLLER BEARING CLUTCH technology delivers maximum drivetrain stability even through the most punishing terrain. And with CAGE LOCK technology, wheel removal and installation are easier than ever. Features EXACT ACTUATION