The isinwheel U4 is a 16-inch folding electric bike designed for urban commuters and teens. It features a 500W motor, 10.4Ah removable battery, and reaches speeds up to 19 mph. The frame and handlebars fold compactly to 32.2" x 27" for easy storage in cars, offices, or apartments.
Built with front suspension and shock-absorbing seat, the U4 delivers a comfortable ride on city streets. It includes a rear rack for carrying groceries or gear, adjustable handlebars and seat height, and a smart controller that adapts power output for responsive performance. The bike is CFR1512 certified for safety and durability.
isinwheel U4 Prices
isinwheel isinwheel U4 prices start from $330, averaging $330, with a high of $330 across 1 retailer.
$330
Lowest
$330
Average
$330
Highest
Specifications
| Motor Power | 500 W |
| Range | 55 mi |
| Battery | 374.4 Wh |
| Top Speed | 19 mph |
| Weight | 55 lbs |
| Payload Capacity | 264 lbs |
Where to Buy
| Variant | Retailer | Price | Stock | |
|---|---|---|---|---|
| isinwheel U4 | amazon | $330 | ✓ In stock | Buy → |
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