Sram red etap ceramic pulleys
Sram red etap ceramic pulleyswith red etap ceramic pulleys you can harness the reduced friction increased stiffness lower weight and extra durability that the top end sram red etap derailleurs have and enjoy them on your current sram rear derailleur srams aeroglide technology provides a sound deadening effect ensuring a ride that is ultra efficient and silent so if youre trying to make sure youve equipped your bike with the best for race day this is one upgrade you wont regret fea