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- XD-15 Ceramic bearings provide superior smoothness, reduced weight and extended bearing life
- A CN (tight clearance) upper pulley bearing maximizes shifting accuracy while a C4 (loose clearance) lower pulley bearing promotes unconstrained chain-line movement
-AB0030: 12 tooth pulley set with 4mm upper & 5mm lower bolt-holes is designed as direct fit upgrade for SRAM 12 speed road and gravel derailleurs
- AB0031: The eleven tooth upper and twelve tooth lower size and profile with 5mm bolt-holes are designed as an upgrade for most 11 speed Shimano GRX derailleurs
- Lifetime warranty
UPC: 195947001286
EAN: Not available
Manufacturer Part Number: BKCJ-0402
AB0030
174041-Q0-L
- A CN (tight clearance) upper pulley bearing maximizes shifting accuracy while a C4 (loose clearance) lower pulley bearing promotes unconstrained chain-line movement
-AB0030: 12 tooth pulley set with 4mm upper & 5mm lower bolt-holes is designed as direct fit upgrade for SRAM 12 speed road and gravel derailleurs
- AB0031: The eleven tooth upper and twelve tooth lower size and profile with 5mm bolt-holes are designed as an upgrade for most 11 speed Shimano GRX derailleurs
- Lifetime warranty
Today's Stock Status
4 Available to ship in 2-4 Business Days
UPC: 195947001286
EAN: Not available
Manufacturer Part Number: BKCJ-0402
AB0030
174041-Q0-L
