24-speed blueprint/shuntai transmission 40mm knife ring wire disc27-speed blueprint/shuntai transmission 40mm knife ring wire disc30-speed blueprint/shuntai transmission 40mm knife ring wire disc14-speed blueprint r2/shuntai hand shift 40mm knife ring cable disc16-speed blueprint/shuntai hand-operated integrated 40mm knife ring cable disc16-speed blueprint manual transmission, 40mm rim, wire-pull oil dish18-speed blueprint/shuntai hand-operated integrated 60mm knife ring wire disc18-speed blueprint/shuntai hand-operated integrated 60mm knife ring line pull oil dish
