CeramicSpeed OSPW X Pulley Wheel System Shimano XT/XTR 1x12 - Alloy Pulley Carbon Cage BLK ModelNumber=C0063 Spindle: 19mm hollow 48 spline

Spindle: 19mm hollow 48 spline heat-treated Chromoly

}SwissStop Flash EVO Set of 4 SRAM/Shimano Rim Brake Inserts BXP Compound

Defined Color Black PSI 30 TPI 120 Weight 1600 Tire Type Tubeless Ready Clincher Tire Intended Use Fat Bike Color Black Tire Diameter 26" Fat Tire Bead Folding Labeled Size 26 x 4

}MRP 1x V3 CX Chainguide - Braze-On Mount 38-44t

CeramicSpeed OSPW X Pulley Wheel System Shimano XT/XTR 1x12 - Alloy Pulley Carbon Cage BLK ModelNumber=C0063 Spindle: 19mm hollow 48 splineCeramicSpeed OSPW X Pulley Wheel System for Shimano XT XTR 1x12 Alloy Pulley Carbon Cage Black. The 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