Electric Mountain Bike for Adults
- Electric Bicycle
- 20 inches
- 330.69 pounds
- 900 Wh
- More reviewed than 90%
A powerful, well-equipped fat-tire e-bike for the price, but assembly quality and instructions varied enough between buyers that hands-on setup should be expected.
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How it ranks among the 478 electric bicycles we track
4.1★ across 153 Amazon ratings, Bayesian-smoothed toward the category average.
153 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
Modest tracked demand last month.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 478 electric bicycles we track - how the scorecard works · full electric bicycles data report. Confidence: medium - useful but incomplete evidence.Last refreshed Jun 21, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
The Rpint E500 is a fat-tire electric mountain bike built around a 500W motor (1500W peak), a 48V 15Ah removable battery, and a claimed 60-mile pedal-assist range for off-road and commuting use.
Full front and rear suspension paired with 20x4 inch tires is meant to absorb rough terrain, and the bike offers throttle-only, pedal-assist, and manual modes with a 7-speed drivetrain. It carries UL 2271 and UL 2849 safety certification, validated by SGS, which covers the battery and the bike as a system.
- 500W motor, 1500W peak power
- 48V 15Ah removable battery, up to 60 miles PAS range
- 20x4 inch fat tires with full suspension
- UL 2271 and UL 2849 certified, validated by SGS
Who it's for
Suits riders who want power for hills and light off-road trails and are comfortable doing their own bike assembly and basic maintenance like chain tension and brake pads. Not a fit for anyone expecting a fully assembled, low-maintenance appliance, since more than one buyer needed extra tools and ongoing upkeep to keep it running well.
What buyers say
From Amazon customer reviews.
Multiple buyers praised the speed and off-road capability, with real mileage reports up to 500 miles and no major issues. The most serious complaint was a botched instruction manual and a broken tool in one order, and other reviewers flagged ongoing maintenance, tightening handlebar screws, chain, and brake pads, as part of ownership. Customer service was called responsive by at least one reviewer who had defects corrected.
Strengths and trade-offs
Drawn from this product's published specifications.
- Reaches 27.5-35 mph depending on ride mode
- Full suspension and fat tires handle rough terrain
- Removable 48V battery charges in about 5-6 hours
- Assembly instructions incomplete or missing for one buyer
- Needs regular chain and brake pad maintenance
- One buyer needed a drill for handlebar screws
Performance notes
Real-world top speed reports ranged from about 27.5 mph on throttle alone to 35 mph in the highest assist mode, and one owner logged 500 miles as a daily city commuter with light off-road trail use. Riders who kept up with chain tension and brake pad wear reported the bike staying reliable, while the motor's climbing torque held up on hills according to multiple reviews.
Specifications
| Brand | Rpint |
|---|---|
| Model | E500 |
| Dimensions & fit | |
| Wheel Size | 20 inches |
| Maximum Weight Recommendation | 330.69 pounds |
| Item Weight | 80.47 pounds |
| Size | 20 inches |
| Wheel Width | 4 inches |
| Capacity & performance | |
| Bicycle Gear Shifter Type | Intergrated |
| Bicycle Drivetrain Type | chain drive |
| Number Of Speeds | 7 |
| Age Range Description | Adult |
| Power & efficiency | |
| Lithium Battery Energy Content | 900 Wh |
| Wattage | 500 watts |
| Power Source | Electric motor |
| Construction & materials | |
| Frame Material Type | High Carbon Steel |
| Wheel Material | Ethylene Vinyl Acetate (EVA) |
| Color | Pure Black |
| Included components | |
| Unit Count | 1 |
| Included Components | Battery, Charger, Headlight, Tool Kit, User Manual |
| Warranty & support | |
| Warranty Type | Limited |
| Other details | |
| Bike Type | Fat Tire, Mountain Bike |
| Suspension Type | Front |
| Electric Assist Type | pedal assist, throttle assist |
| Is Assembly Required | Yes |
| Additional Features | Dual Disc Brake, Dual Suspension, Headlight, Multi-Speed, Taillight |
| Brake Style | Disc |
| Specific Uses For Product | Dirt Biking, Gravel, Road, Snow, Trail |
| Style Name | Retro |
| Derailleur Configuration | Rear |
| Theme | Sport |
Other Rpint electric bicycles
How it compares
This product against the closest alternatives we track in electric bicycles.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| Electric Mountain Bike for AdultsThis product | 4.1 / 5 | 153 | 3.7 / 5 |
| Wooken Electric Bike for Adults with 500W MotorWooken | 4.4 / 5 | 312 | 4.1 / 5 |
| TotGuard Electric BikeTotGuard | 4.4 / 5 | 286 | 4.1 / 5 |
| ANCHEER 14" Folding Electric Bike for TeensAncheer | 4.2 / 5 | 329 | 4.0 / 5 |
| Gotrax 16" Folding Electric BikeBrand | 4.4 / 5 | 555 | 4.0 / 5 |
Similar electric bicycles from other brands
Questions about the Rpint E500
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
How fast does the Rpint E500 electric mountain bike go?
Rider reports range from about 27.5 mph on throttle only up to 35 mph in the highest pedal-assist mode.
How far can it travel on a charge?
The listing states up to 60 miles in pedal-assist mode and 25-28 miles on throttle-only power from the 48V 15Ah battery.
Is assembly difficult?
Most buyers called it manageable, but at least one reviewer reported incomplete instructions and needed extra tools to finish setup.