Fully compatible with XX SL, XX, XO Eagle AXS Transmission and SRAM Eagle 90 Transmission (Not compatible with GX systems). With our FURTHER DRIVE Technology – consisting of two new technological features, both aimed at ensuring that the OSPW X enhances the Transmission group's ability to maintain efficient performance over time. Feature Active Debris Remover (ADR) - a unique new dust guard design that sits securely anchored in a recess in the pulley, thus completely enclosing the bearing. This is combined with a lamellar groove structure that surrounds the dust guard and dynamically pulls debris out of the pulley as it rotates. LADR is paired with our new 14 and 20 tooth solid disc pulleys, simply known as ALPHA. The ALPHA Disc features a two-piece construction. A separate narrow-wide too.
eBay