107cc Underbone Motorcycle with 4-Speed Semi-Automatic Transmission and LED Lighting System

Underbone Motorcycle
April 11, 2026
Video Description:
In this walkthrough, we highlight key design ideas and how they translate to performance. Join us as we demonstrate the 107cc underbone motorcycle's compact design, explore its 4-speed semi-automatic transmission system, and showcase the advanced LED lighting features. You'll see real-world handling tests, learn about the dual start system, and discover how the ergonomic design enhances daily commuting comfort for urban riders.