SRAM GX Eagle 12-Speed X-Sync Rear Derailleur Pulley Kit RGroup_DF6FAC06A42138FB3A6EB6DAC7E82ACED53AFCBE The Castelli Endurance 3 Bibknicks

The Castelli Endurance 3 Bibknicks are designed for all types of rides

The Colony RX3 Rotary Detangler is designed to provide a smooth and precise experience

Silicone leg grippers keep everything securely in place

Chain compability: 1/8"

SRAM GX Eagle 12-Speed X-Sync Rear Derailleur Pulley Kit RGroup_DF6FAC06A42138FB3A6EB6DAC7E82ACED53AFCBE The Castelli Endurance 3 BibknicksThe SRAM GX Eagle 12 Speed X Sync Rear Derailleur Pulley Kit is an original equipment style pulley set for keeping your SRAM GX Eagle 12 speed mechanical derailleurs or SRAM GX Eagle AXS 12 speed rear derailleurs shifting smoothly. Its built to restore clean chain guidance and reliable derailleur performance, with pulleys that must be installed in the correct positions for proper operation. The kit includes 13mm and 14mm pulley bolts and the