20″ Plus Swing Arm -To fit Revvi 20″ Plus bikes SX-E500 This complete kit is designed

This complete kit is designed to replace the standard cable brake system with a high-performance Nutt hydraulic brake setup

72V 35Ah Samsung lithium hot-swappable battery

0Ah Lithium-Ion Transmission Hub Motor Speed Settings Slow / Medium / Fast – 9

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

20″ Plus Swing Arm -To fit Revvi 20″ Plus bikes SX-E500 This complete kit is designedRevvi 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