CeramicSpeed OSPW X Pulley Wheel System Shimano XT/XTR 1x12 - Alloy Pulley Carbon Cage BLK MFPN=4149500 For all breathable membranes

For all breathable membranes

HEX front hub end cap kits are specific to HEX Ø28 and HEX Ø32 front hubs

Model Montcham Color Black Size S Waist (Inches) 29-30 Inseam (Inches) 8

99% Metal Construction

CeramicSpeed OSPW X Pulley Wheel System Shimano XT/XTR 1x12 - Alloy Pulley Carbon Cage BLK MFPN=4149500 For all breathable membranesThe 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