- Material 51T Sprocket: 7075 T6 Aluminum
- Material 9-44T: Steel
- Scale: 9-11-13-15-17-20-23-27-32-38-44-51
- Compatibility: Sram XD Driver Body
- Weight: 312 gr
Structure machined from a solid block of steel, hardened and surface treated to improve durability, sound, and corrosion resistance, which is milled to remove the 11 steel sprockets (9-44) in a single piece. Last 51 sprocket in aluminum, replaceable in case of wear. Connection between the two parts via pins that ensure a perfect connection without movement or noise. Fully disassemblable into four pieces with replacement of any one of them. Compatible only with XD driver bodies.