ZT310-X1 extra black cover assembly (gel battery/GP board)
ZT310-X1 direction handle disc brake assembly Ⅱ
ZT310-X1 front fork assembly (black rim)
ZT310-R1 bright black rear wheel assembly (with license bracket / black rim)
ZT310-X1 frame/rubber parts/main cable assembly (gel battery)
ZT310 single rocker arm air intake system assembly (gel battery/lithium battery)
ZT310-R1 muffler assembly
ZT310 pedal assembly (single rocker)
ZT310-X water cooling system assembly (sliding clutch version)