Unidirectional carbon BMX rim designed for use with disc brake or as a brakeless front wheelFull Toray T700 carbon fiber composite materialDrilled for both Presta and Schrader with included plug for unused valve hole220lb rider weight limitRace use only20inAlienationAcme UD406212820DblRed36PV/SV260g390UPC/EAN/GTIN: 888571111567