CeramicSpeed derailleur pulleys for Shimano 11-speed

Don't leave anything to chance and optimise the performance of your Shimano rear derailleur with these CeramicSpeed pulleys, which reduce friction and guarantee greater durability. Rear derailleur pulleys are the fastest-rotating bearings in your drivetrain, so the benefits of high-end ceramic bearings are significant!With their aluminium design and hand-mounted bearings, these pulleys guarantee a longer lifespan than any standard model and the lowest level of friction. Both pulleys come with the necessary washers for installation, a bottle of special oil, and CeramicSpeed stickers!