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
3rd party web sales (eBay, Amazon, etc.) are strictly prohibited by the manufacturer
| model |
Directline 11/13T 5mm Shimano 11sp GRX XD15 |
| color |
graphite |
Product Images Disclaimer
Product images are for reference only and may not reflect the exact specifications, color, or components of the item offered for sale. Please refer to the product description and specifications for the most accurate details. If you have questions before purchasing, contact us, and we’ll be happy to confirm.
