`- Duroc 37 Super-Duty rim, a double wall rim with 2.7mm thick bead hooks \n- Constructed of 6061 Series alloy with a welded seam \n- SRX cartridge bearing straight pull hubs with a 3 pawl alloy cassette body and 24 tooth ratchet ring, yielding 72 engagement points\n- Each wheel includes tubeless tape, valve and a 2oz bottle of STR sealant \n- Rear wheel includes both XD and HG 8-11 driver bodies (not compatible with HG 11sp road cassette)