GX 1x Rear Derailleur Chews Dual-threaded tip fits both Presta

Dual-threaded tip fits both Presta (inner threads) and Schrader (outer threads) valves

The Cadence Sensor 2 fastens to any size crank arm and measures pedal strokes per minute so you can get the most out of your training

For All Stems

Soft silicone for extra comfort

Radial shaping of the pursuit bar

GX 1x Rear Derailleur Chews Dual-threaded tip fits both PrestaThe 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.