SRAM GX Type 2.1 Rear Derailleur 10 Speed Short Cage Black bikebox The combination of the wider

The combination of the wider tire

hardened steel round shackleDouble-locking mechanism securing the shackle in the lock bodyThe shackle

Blue LED represents the Bluetooth connection between the ROLLR and the controlling app

Made from BPA

SRAM GX Type 2.1 Rear Derailleur 10 Speed Short Cage Black bikebox The combination of the widerLeveraging 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 stabilityeven through the most punishing terrain. And with CAGE LOCK technology, wheel removal and installation are easier than ever. Specifications Speeds: 10 speed Material: Aluminum cage