SUPER73 10-Speed Conversion Upgrade Kit – Shimano Zee Drivetrain
Unlock your bike's true capability. The official SUPER73 10-Speed Conversion Kit transforms your single-speed cruiser into an adaptive multi-gear machine. Featuring premium Shimano Zee components and Shadow Plus chain-stabilizing technology, this complete drivetrain overhaul expands your gear range, optimizes pedal-assist efficiency on steep inclines, and completely eliminates chain slap over rough terrain.
SUPER73 A-Series 3P High-Capacity Replacement Battery (52V 15Ah / 780Wh)
Unlock the next generation of performance. The official SUPER73 A-Series 3P High-Capacity Battery serves as a premium standalone power source or the perfect matching partner for a range-extending dual-battery setup. Delivering a potent 52V architecture and 780 Watt-hours (Wh) of premium lithium-ion energy, this UL 2271 compliant battery is built specifically to take your A-Series ride up to 50+ miles on a full charge.