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72V 35Ah Samsung lithium hot-swappable battery
But the A20 Comp starts to feel much more like a proper lightweight electric bike thanks to the full suspension chassis
this is the one I’d look at
Fits Revvi 18” and 20” bikes with 800W motors
removable without tools and expandable up to 72V 45Ah for future upgrade potential
20″ Plus Swing Arm -To fit Revvi 20″ Plus bikes SX-E500 72V 35Ah Samsung lithium hot-swappableRevvi 20 Plus Swing Arm Genuine replacement swing arm designed to fit the Revvi 20 Plus electric bike. If your original swing arm has become bent, damaged or worn, this genuine Revvi replacement restores the rear suspension assembly and ensures the correct alignment of the rear wheel and shock absorber. Features Genuine Revvi replacement part Designed specifically for the Revvi 20 Plus Direct replacement swing arm Maintains correct rear suspension