20″ Plus Swing Arm -To fit Revvi 20″ Plus bikes SX-E500 0Ah Lithium-Ion Transmission Hub Motor

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

Fits Revvi 18” and 20” bikes with 800W motors

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 0Ah Lithium-Ion Transmission Hub MotorRevvi 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