... ×1.5″,WITH BUTYL INNER TUBE, A/V;FREEWHEEL: SHIMANO, MF-TZ21,7SP, INDEX;F/R DERAIL.: SHIMANO, FD-TX51,UP&DOWN ... ALLOY CRANK, 170MM,W/TRANSPARENT SMOKE COVERCERTIFICATES & AWARDS**************************************************************************************************************************************Shine Wheel Bicycle Co., Ltd. (Guangzhou) was established in 1996, attaining ISO 9001 ...