Danza disc specific 22mm wide, 20mm tall aluminum rims Wheelsmith double butted stainless black spokes Hidden nipples made of 7075 aluminum Medium flange aluminum hubs with double sealed cartridge bearings 8/9sp HG-splined freehub body International Standard 6-bolt disc rotor mount Hand built, tension calibrated and serial numbered Includes FSA quick releases and rim tape Includes Series 2 QR, spoke wrench and rim tape