Hiboy S2 Rear Fender

Hiboy Rear Wheel S2 Pro/KS4 Pro

Hiboy S2R Plus Battery

Hiboy S2 / S2 Pro / S2 Lite/ S2 Max / KS4 / KS4 Pro Folding Mechanism

Hiboy Max Pro Rear Wheel with Motor

Hiboy Controller for S2 MAX

Hiboy ECOM 14 Battery

Hiboy rear tire with motor for S2 MAX (including outer tube and inner tube)

Hiboy Controller for S2 (old version)

Hiboy Pole for S2 MAX

Hiboy BK1 Front Wheel