Budget E-Bike Combines Commute Practicality with Off-Road Capability
The Askmy E500 is a budget-focused fat-tire electric bike designed to bridge the gap between urban commuting and light off-road riding, featuring a 1000W motor, 25Ah battery, and a claimed ability to climb 35-degree inclines—all priced at $639 USD. The bike targets riders seeking affordable all-terrain capability without premium pricing, though real-world performance varies from manufacturer claims.

Motor and Battery Specifications
The E500 is powered by a 48V 1000W continuous motor with an estimated peak power of approximately 1500W. The removable battery pack uses a Hailong 48V 25Ah lithium battery (1000Wh capacity), which charges fully in 5-6 hours using the included 54.6V 3A charger. This battery capacity is notably larger than some competing budget models, providing decent energy storage for the price point.
Manufacturer claims specify a maximum range of 45km (28 miles) on a single charge, though real-world testing suggests more conservative figures. One independent reviewer weighing 215 lbs achieved approximately 27.5 mph on pedal assist level 3 and estimated 15-17 miles of range on full electric mode at his weight. Range will vary significantly based on rider weight, terrain, and assist level used.
| Specification | Value |
|---|---|
| Motor Power (Continuous) | 1000W |
| Motor Power (Peak) | ~1500W |
| Battery Voltage/Capacity | 48V / 25Ah (1000Wh) |
| Maximum Speed | 51.5 km/h (32 mph) |
| Claimed Range | 45 km (28 miles) |
| Tire Size | 20″ x 4″ fat tires |
| Weight | 51 kg (112 lbs) |
| Maximum Load | 150 kg (330 lbs) |
| Frame Material | High-carbon steel |
| Transmission | Shimano 7-speed |
| Brakes | Hydraulic disc brakes |
| Price | $639 USD |

Off-Road Capability and Climbing Performance
The E500’s defining feature is its claimed ability to climb 35-degree inclines, a specification rarely advertised on budget e-bikes. This capability is enabled by the combination of the 1000W motor, dual suspension system, and fat tires. The 20″ x 4″ puncture-resistant tires provide substantial traction and shock absorption, while the dual suspension (approximately 60mm front travel and less than 1 inch rear travel) helps absorb impacts on rough terrain.
However, climbing performance depends heavily on rider weight and terrain conditions. The reviewer at 215 lbs achieved 27-28 mph on throttle-only mode on flat ground, suggesting the motor has adequate power for moderate inclines but may struggle with steeper grades when carrying heavier riders. The 35-degree claim should be tested independently before relying on it for regular hill climbing.

Build Quality and Safety Standards
The E500 meets UL 2271 and UL 2849 safety standards, providing some assurance of electrical and mechanical safety. The frame uses high-carbon steel rather than aluminum, making it heavier but potentially more durable for rough use. The hydraulic disc brakes are appropriate for daily riding, and the bike includes full lighting (headlight, tail light, brake light) and turn signals.
Assembly quality appears adequate based on available reviews, though proper assembly is critical—one reviewer noted that handlebar tightness requires careful attention to prevent movement during rides. The bike ships with an aluminum kickstand and full fenders, adding practicality for commuting.
Comparison with Competitors
At $639, the E500 competes directly with other budget fat-tire e-bikes. Most competitors in this price range offer either smaller batteries (10-15Ah) or lower motor power (500-750W). The E500’s 25Ah battery and 1000W motor represent competitive specifications for the price, though the claimed 45km range is optimistic compared to real-world testing. Budget alternatives like the Rad Power RadRunner or similar models typically cost $100-200 more but may offer better build quality or warranty support.

Verdict
The Askmy E500 is a legitimate budget option for riders seeking an all-terrain e-bike without premium pricing. The 1000W motor and 25Ah battery provide genuine capability for commuting and light trail riding, while the fat tires and dual suspension deliver practical comfort. However, buyers should expect a real-world range closer to 25-30km rather than the claimed 45km, and the 35-degree climbing claim requires independent verification. This bike is best suited for budget-conscious riders in relatively flat to moderately hilly areas who prioritize value over brand reputation or warranty support. Heavier riders (over 220 lbs) should verify performance claims before purchasing.