Rear Wheel: Rohloff Speedhub 500/14, (red), Std QR, 135 Spacing with Rohloff Rotor, includes Push-Pull Twist Shift Syncros FLRDS 24 Rim 32 hole 26", DT Swiss Stainless Steel Spokes, WTB All Terrainasaurus tire 41/40 Front Wheel: Syncros Hub with Hayes Disc Rotor Syncros FLRDS 24 Rim 32 hole 26", DT Swiss Stainless Steel Spokes, WTB All Terrainasaurus tire 41/40 Note, this wheelset has less-than '500' kms. More photos on request. Provide your phone number for further info.