CeramicSpeed OSPW X Pulley Wheel System Shimano XT/XTR 1x12 - Alloy Pulley Carbon Cage BLK MFPN=4149500 and easier cable insertion

and easier cable insertion

and TÜV-certified safety

Built-in Maps with SatIQ & Multi-Band GPS plus an integrated LED flashlight for added visibility

120mm max travel

CeramicSpeed OSPW X Pulley Wheel System Shimano XT/XTR 1x12 - Alloy Pulley Carbon Cage BLK MFPN=4149500 and easier cable insertionThe CeramicSpeed Oversized Pulley Wheel System provides optimization and increased efficiency of the rear derailleur through its extremely low friction bearings and unique overall design. Features a 14 tooth upper and 18 tooth lower aluminum pulley wheels with Grade 3 Silicon Nitride balls to provide absolute optimization of the rear derailleur Robust cage crafted from polyamide and carbon fiber for durability and light weight Compact cage design