AVANTREK Cybertrack 200 Folding Fat-Tire E-Bike

Brand new, sealed in box, never used. 500W brushless motor (750W peak), 48V/10Ah removable battery, up to ~50 miles per charge, ~28 mph top speed, Shimano 7-speed. 20"×4" puncture-resistant fat tires, folds for easy storage/transport. Retails ~$1,000 — brand new for $900. Local pickup, can demo it's sealed. Reasonable offers considered.