BKCJ-0452 - Directline 11 tooth, XD15 Ceramic Hybrid Bearing, Machined Delrin Derailleur Pulleys for 12-Speed Shimano Dura-Ace Derailleurs (RD-R9250; 5mm bolt hole) sale When compared to other pulley

When compared to other pulley materials

double-lip

Angular Contact Bearing Bottom Bracket for T47 Framesets and 30mm Cranksets (for older specification spindles under 90mm wide)

guaranteeing accurate alignment when installed into your T47 threaded frame

This bearing has been used as a suspension pivot bearing by a number of bicycle brands

BKCJ-0452 - Directline 11 tooth, XD15 Ceramic Hybrid Bearing, Machined Delrin Derailleur Pulleys for 12-Speed Shimano Dura-Ace Derailleurs (RD-R9250; 5mm bolt hole) sale When compared to other pulleyBKCJ 0452 11 tooth, XD15 Ceramic Hybrid Bearing, Machined Delrin Derailleur Pulleys for 12 Speed Shimano Dura Ace Derailleurs (RD R9250; 5mm bolt hole) This pulley wheel set fits the following derailleurs: Shimano Dura Ace RD R9250 The following Shimano derailleurs are NOT COMPATIBLE: Shimano Ultegra RD R8250 Shimano 105 Di2 RD R7150 Shimano 105 RD R7100 The ultimate upgrade pulley. Guaranteed to last forever against corrosion Precision machined