BKCJ-0190 - 11 tooth, Zero Ceramic Hybrid Bearing, Machined Delrin Derailleur Pulleys for 11 speed SRAM Derailleurs (4mm bolt upper/5mm bolt lower) - Red TH-873 BKC-0815 - BSA Thread-In Ceramic-Hybrid

BKC-0815 - BSA Thread-In Ceramic-Hybrid

Thisbearing features deep-groove design races

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

The most common use for this bearing is as a direct replacement bearing for BB30 and PF30 type BBs and SRAM DUB cranksets

500 AF Delrin with Teflon

BKCJ-0190 - 11 tooth, Zero Ceramic Hybrid Bearing, Machined Delrin Derailleur Pulleys for 11 speed SRAM Derailleurs (4mm bolt upper/5mm bolt lower) - Red TH-873 BKC-0815 - BSA Thread-In Ceramic-HybridBKCJ 0190 11 tooth, Zero Ceramic Hybrid Bearing, Machined Delrin Derailleur Pulleys for 11 speed SRAM Derailleurs (4mm bolt upper 5mm bolt lower) Precision machined Black Delrin Derailleur pulleys featuring Zero, Black Oxide treated, 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