Unusual sound from rotation points
Add lube, clean; if persistent, escalate for possible replacement.
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Rack bolts loosen, causing rattle or misalignment
Retighten or replace bolts as per support illustrations; check rack mounting points for strip or damage.Wires loose out of frame channels or appear untidy
Reroute using frame mounts/channels and zip ties as per assembly guide. Avoid pinch points and ensure cable play.Motor runs when rear wheel is off ground but stops with rider weight
Points to loose/bad connection or motor/controller issue. Check all electrical connections (battery, controller, motor leads). If unresolved, contact support; may indicate controller/motor upgrade needed.Repeated clicking from rear wheels or axle during movement
Inspect for loose nuts/bolts on axle, rear sprocket, or wheel. Check bearing fit. Lightly grease contact areas. If sound continues, possible bad bearing or improper torque; escalate for parts exchange.Throttle loses response, or trike speed surges/drops unexpectedly
Check throttle wiring at handlebar and controller for firm connection. Inspect for cut/kinked wire at folding points. If physical harness OK, try controller reset. Test on PAS mode—if both affected, escalate for controller assessment.