Jockey Wheels
Description
13 tooth, XD15 Ceramic Hybrid Bearing, Machined Delrin Derailleur Pulleys for 12 speed Shimano XTR and XT Derailleurs (5mm bolt hole) The ultimate upgrade pulley. Guaranteed to last forever against corrosion Precision machined Delrin Derailleur pulleys featuring XD15 Ceramic - Hybrid, radial bearings for enhanced shifting performance and longevity. Designed and manufactured for performance, these pulleys feature CN (tight clearance) bearings in the upper pulley to maximize shifting accuracy and C4 (loose clearance) bearings in the lower pulley to allow for chain - line movement.