PostJoy S9 Fat Tire Electric Bike
Fast & Free Shipping
Shipped from the US warehouse, estimated delivery within 3-8 days
Warranty
All Postjoy ebikes are covered under our manufacturer's 1-year all-inclusive warranty for the original owner against all manufacturing defects (All free Accessories are not covered by warranty service).
PostJoy S9 Fat Tire Electric Bike
2500W Peak Motor with 50Nm Torque
Equipped with a 2500W peak motor and 50Nm of torque, giving you strong acceleration and confident climbing power when the ride gets demanding. Whether you're starting from a stop, riding uphill, carrying daily gear, or exploring rougher paths, the S9 delivers responsive power when you need it most.
48V 20Ah Removable Battery
The 48V 20Ah battery provides dependable power for commuting, errands, and weekend rides. With up to 55 miles of range, the S9 helps you ride farther between charges. Charge it after daily use or before your next adventure, and enjoy the freedom to take longer routes with more confidence.
20" x 4.0" Fat Tires
Wide 20" x 4.0" fat tires give the S9 a planted and stable ride feel across city roads, gravel, sand, snow, and muddy trails. The larger contact patch helps improve traction and comfort, giving you more confidence on changing surfaces.
Suspension System
The front suspension fork helps absorb bumps, cracks, and uneven road surfaces, giving you a smoother and more comfortable riding experience. From daily commuting to weekend exploration, the S9 helps reduce road vibration so you can ride longer with less fatigue.
Dual Disc Brakes
Dual disc brakes provide strong and consistent braking performance for daily rides, downhill sections, turns, and sudden stops. The responsive braking system helps you stay in control across city streets, bike lanes, and changing road conditions.
Smart Access. Clear Ride Data.
Unlock your S9 with a simple NFC tap and check key ride information on the LCD display, including speed, battery level, mileage, and assist status. Smart convenience makes every ride easier, while the clear display helps you stay informed without distraction.
Comfort Saddle
Ride Longer with Less Fatigue The extended comfort saddle features high-density cushioning and an ergonomic shape, helping reduce pressure and improve comfort during longer rides.
Full-Covered Fenders
Stay Cleaner on Wet Roads Full-covered fenders help block splashes from rain, puddles, and muddy paths, keeping your ride cleaner and more comfortable in changing road conditions.
Full Lighting System
Be Seen Day and Night The bright headlight, brake light, turn signals, and reflectors help improve visibility, giving you added confidence when riding in low-light or nighttime conditions.
Built for Long Rides, Rough Roads, and Everyday Freedom
Find Your Perfect Fit
Recommended Height
5'2" – 6'5"
Max Capacity
330lbs
Vehicle Weight
