Upper Folding System Base Dualtron Sonic ac Machined to tight tolerances

Machined to tight tolerances

Designed for high-speed stability and comfort

The steering column is a structural replacement designed to integrate with the front assembly and handlebar mounting system

the guard is optimized for longevity and simple installation on City chassis designs used in commuter electric scooter applications

The Kukirin M4 Max electric scooter is equipped with an advanced four-arm shock absorption system

Upper Folding System Base Dualtron Sonic ac Machined to tight tolerancesUpper folding system base that serves as the pivot mounting for the folding mechanism. The precision machined platform maintains hinge alignment and bearing interfaces for reliable folding action on the Sonic electric scooter. Robust alloy construction with accurate bores and mounting surfaces reduces play and distributes loads across the hinge. Designed for direct replacement to restore OEM folding geometry. Compatible Models: Sonic Shipping France