Converts 12mm or torque cap hubs to accept 15mm thru axles Compatible with DT Swiss X1700/1900, M1700/1900, E1700/1900, and 1600/1800 Dicut or spline wheels HWGXXX0004785S FT 350/370 15mm TA 100mm 16g X/M/E1700/1900 - 1600/1800 Spline/DicutUPC/EAN/GTIN: 7613052278773