SRAM GX 1 X 11 Speed Rear Derailleur Colour:Black Now you can quickly and

Now you can quickly and accurately determine the wear and stretch of any chain with the Park Tool Chain Checker

plus has a fly opening for convenience

the oldest track bicycle race in the world

4 x SIS-SP40 Outer Caps

speed and control at the highest level

SRAM GX 1 X 11 Speed Rear Derailleur Colour:Black Now you can quickly andAbout SRAM GX 1 X 11 Speed Rear Derailleur The 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 Features X HORIZON design