SRAM GX 1 X 11 Speed Rear Derailleur Colour:Black the oldest track bicycle race

the oldest track bicycle race in the world

Ultra long distance performance

ABUS particularly recommend using the Steel-O-Flex Centuro 860 to secure high-quality bikes and as protection in areas with a medium risk of theft

plus has a fly opening for convenience

SRAM GX 1 X 11 Speed Rear Derailleur Colour:Black the oldest track bicycle raceAbout 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