CeramicSpeed OSPW Pulley Wheel System for SRAM Rival AXS - Coated Races, Alloy Pulley, Carbon Cage, Black EA Cage Assembly

Features 13-tooth upper and 19-tooth lower, aluminum pulley wheels with Grade 3 Silicon Nitride balls Robust cage crafted from polyamide and carbon fiber for durability and light weight Coated bearing races increase bearing service life by increasing hardness of race and reducing corrosion Two spring tension settings allow customized setup based on ride conditions Only compatible with SRAM Rival AXS 12-speed 36t cassette CeramicSpeed products with coated bearings include a lifetime warranty