Front specific BMX racing wheel with double walled, sleeved joint construction G69 material is lighter and 30 percent stonger than standard 6061 T6 alloyTinman hub features 7075 T6 heat treated hollow axle with hollow 3/8` boltsSealed quad bearing hub for buttery smooth rollingNot intended for use with brakes20inFT25B/O 3/8BlkAlienation Deviant G69Alienation Tinman100BlkBRAKELESSDT-2.0/1.8 BK36HDblSVUPC/EAN/GTIN: 888571042458