Curb Dog 15/16-7/8"(23.8-19Mm) Chainring Adapter BMXCurb Dog 15/16-7/8"(23.8-19Mm) Chainring Adapter BmxFeatures of Curb Dog 15/16-7/8"(23.8-19Mm) Chainring Adapter BMX Package length: 0.8 cm | Package width: 6.9 cm | Package height: 12.8 cm | Product Type: OUTDOOR RECREATION PRODUCTSpecification of Curb Dog 15/16-7/8"(23.8-19Mm) Chainring Adapter ..