GX 1x Rear Derailleur Butterfly The underside finger grooves and

The underside finger grooves and side finger scallops ensure easy

and for more control

with standard threaded cartridge

Holds freewheels and lockring removers securely for removal and installation

oil stopper

GX 1x Rear Derailleur Butterfly The underside finger grooves andThe SRAM GX X HORIZON rear derailleur is engineered for smooth, reliable shifting action from the larger upper pulley offset to the 12 tooth X SYNC pulley wheels. By eliminating unwanted chain movement, X HORIZON shifts faster, puts an end to ghost shifting and reduces shift force and chain slap. And with CAGE LOCK technology, wheel removal and installation are easier than ever.