Front specific BMX racing wheel with double walled, sleeved joint construction Front specific BMX racing wheel with double walled, sleeved joint construction G69 material is lighter and 30 percent stonger than standard 6061 T6 alloy Tinman hub features 7075 T6 heat treated hollow axle with hollow 3/8` bolts Sealed quad bearing hub for buttery smooth rolling Not intended for use with brakes