Jesrider K800 Electric Bike – 48V 20Ah, 250W
CARE & MAINTENANCE
To maintain the beauty and integrity of your purchase, we recommend treating it with care. Simple maintenance practices, such as gentle washing and proper storage, can effectively preserve the longevity of your favorites. We encourage you to refer to the care instructions included with each item, designed to help you keep your purchase in top condition.
SHIPPING & RETURNS
We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible. Need to return something? Just let us know.


250W Brushless Motor
High Speed & Strong Gradeability
The 250W high-speed brushless motor delivers 85 N·M max torque, a top speed of 25 km/h, and tackles 45° climbing slopes with ease. Paired with Shimano 21-speed gears for smooth, responsive performance on any terrain.

48V 20Ah Removable Lithium Battery
BMS Protected — Waterproof — 40+ Miles Range
The UL-certified 48V 20Ah lithium battery features BMS power saving, waterproof material, and multiple protection systems. Charges in 6–8 hours and delivers 40+ miles max range. Removable design lets you charge indoors without moving the bike.

CHAOYANG 26" × 4.0" Fat Tire
All Terrain — Mountain, City, Gravel, Snow
The CHAOYANG 26"×4.0" fat tires conquer every surface with confidence. Whether it's mountain trails, city streets, gravel roads, or snow fields — the wide contact patch delivers maximum traction and stability on any terrain.

Smart Bike LCD Display
Real-Time Speed — Battery Status — PAS Control
The smart LCD display shows real-time speed, battery status, speed grade, and odograph at a glance. Intuitive handlebar controls include PAS upshift/downshift, headlight, horn, gear switch, throttle, and brake lever — everything within easy reach.
Geometry & Dimensions
Technical Specifications
| Model | K800 |
| Frame | 6061 Aluminum Alloy Frame |
| Motor | 250W Brushless Geared Hub Motor |
| Max Torque | 85 N·M |
| Top Speed | 25 km/h |
| Climbing Slope | 45° |
| Battery | 48V 20Ah Lithium Battery (UL Certified) |
| Max Range | 40+ Miles |
| Charge Time | 6–8 Hours |
| Drivetrain | Shimano 21-Speed |
| Tire | CHAOYANG 26" × 4.0" Fat Tire |
| Display | Smart LCD (Speed / Battery / PAS / Odograph) |
| Throttle | Twist Throttle |
| Handlebar Width (A) | 80 cm / 31.5 in |
| Stem Length (B) | 11.7 cm / 4.6 in |
| Seat Tube (C) | 73 cm / 28.7 in |
| Total Height (D) | 113 cm / 44.5 in |
| Wheelbase (E) | 112 cm / 44 in |
| Total Length (F) | 190 cm / 74.8 in |
| Saddle Height (G) | 41 cm / 16.1 in |
| Handlebar Height (H) | 80 cm / 31.5 in |
| Bike Weight | 43.5 kg / 96 lbs |
| Max Load | 150 kg / 330 lbs |
| Recommended Height | 5.5–6.4 ft (167–195 cm) |
Warranty & After-Sales
✅ Frame: 1-year warranty against manufacturing defects
✅ Motor & Battery: 1-year warranty
✅ Electrical Components: 6-month warranty
✅ Wear Parts (tires, brake pads, chains): Not covered under warranty
For warranty claims or after-sales support, please contact us via email. We respond within 24 hours on business days.
Jesrider Ebike
Each item is designed to blend harmoniously with your living space while adding a unique touch. We aspire to bring balance and enrichment to everyday life.