SRAM GX DH 7 Speed Rear Derailleur - Medium Cage YGroup_7033970032685 a rubber outer skin with

a rubber outer skin with an elastic flex joint and a silicone internal webbing

Optional extras: (See below for links)

Ventilation: The exact number of vents isn't stated but there are a bunch of nice big vents

Does not include tubeless valves

SRAM GX DH 7 Speed Rear Derailleur - Medium Cage YGroup_7033970032685 a rubber outer skin withSRAM understand that the gnarly line requires a lot more focus than a lap of the supermarket. Thats why we packed the GX DH 1x X HORIZON rear derailleur with World Championship winning features, and gave it a price tag that speaks more to the Wednesday Night Championships. This is a DH derailleur that is easier to shift, is incredibly precise and keeps the unwanted noise of chain slap to a minimum, so you can concentrate on the sweet feeling of