SRAM Rear Derailleur Pulley Kit New Pulley Day Need some new pulleys for your rear T-Type rear derailleur? Then you're in the right place. The SRAM Rear Derailleur Pulley Kit is designed to work with SRAM X0, XX, and XXSL T-Type rear derailleurs. Each kit comes with a 14T upper pulley and 16T lower pulley as well as pulley screws. Features Designed for X0, XX, and XXSL T-Type rear derailleurs Each kit includes a 14T upper and 16T lower pulley Also includes pulley screws | Sram | Rear Derailleur Pulley Kit (Includes 14T Upper And 16T Lower Silver Metal Spider Pulley, 2 T25 Aluminum Pulley Bolts)