ZT250-S aluminum alloy rear fork assembly
ZT250-S upgraded chain regulator assembly
ZT310－R Sproket wheel seat/buffer rubber assy
ABS9 anti-lock system gear ring assembly (rear wheel)
ZT310-R rear wheel parts（black）
ZT310 built-in rear shock absorber with air bag/rear inner mudguard assembly
ZT310 rear turn signal (including license plate light / new rear sub-mud board) parts after sale
ZT310-T rear sub-slab assembly
ZT310-R rear sub-mud assembly assembly (with license / new)