Ultralight 30mm deep full-composite disc brake only rimsTubeless compatible using supplied rim strips and valves17mm internal rim width for optimal tire performanceDynamic Balance Lacing technology for enhanced drive efficiency and braking controlSapim straight-pull stainless spokes - 21H Front & 24H RearAlloy locking nipplesGiant alloy hub shell, Centerlock Disc rotor mount and pawl based driver systemIncludes end caps for the following configurations:Front: 100x12mm T/ARear: 142x12mm T/A1510g per pair