BBB Cycling RollerBoys Ceramic 12T SR XPLR Jockey Wheels 12 Speed Bearing Derailleur Pulleys for SRAM Low Friction & High Durability Black BDP 20X

CERAMIC BEARING PRECISION: Equipped with premium ceramic bearings for ultra-low friction and maximum power transfer. Experience a smoother, faster-spinning drivetrain compared to standard steel bearings OPTIMIZED FOR SRAM XPLR: Specifically designed for SRAM XPLR 12-speed gravel drivetrains. These 12-tooth (12T) jockey wheels provide the precise chain engagement required for crisp, effortless shifting GLASS FIBRE REINFORCED COMPOSITE: The pulley wheels are made from a high-tech composite material infused with glass fibre. This ensures extreme durability and wear resistance, even in harsh off-road conditions MAXIMUM LONGEVITY: Ceramic bearings are harder and smoother than steel, resisting corrosion and maintaining their high-performance feel significantly longer, especially in dusty or muddy environments SELF-LUBRICATING DESIGN: The specialized composite material features self-lubricating properties, which combined with the ceramic internals, minimizes chain drag and ensures a quiet, efficient ride