CeramicSpeed OSPW Derailleur Pulley System for SRAM Rival AXS

CeramicSpeed OSPW system for SRAM Rival AXS - more efficiency thanks to oversized pulleysThe CeramicSpeed OSPW derailleur pulleys system for SRAM Rival AXS rear derailleurs has oversized pulleys with ceramic bearings. It consists of a 15-tooth top sprocket