---
product_id: 792094937
title: "isinwheel U4 16\" Folding E Bike for Adults Electric Bike with Suspension, 10.4Ah Battery, 500W Motor, 19mph Top Speed, Step Through Adult Electric Bicycles, Mini Commute Ebike for Adults and Teens"
brand: "isinwheel"
price: "¥118214"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/792094937-isinwheel-u4-16-folding-e-bike-for-adults-electric-bike
store_origin: JP
region: Japan
---

# 500W motor power 10.4Ah removable battery Foldable compact design isinwheel U4 16" Folding E Bike for Adults Electric Bike with Suspension, 10.4Ah Battery, 500W Motor, 19mph Top Speed, Step Through Adult Electric Bicycles, Mini Commute Ebike for Adults and Teens

**Brand:** isinwheel
**Price:** ¥118214
**Availability:** ✅ In Stock

## Summary

> 🚴‍♂️ Zip, fold, and roll—your ultimate urban sidekick awaits!

## Quick Answers

- **What is this?** isinwheel U4 16" Folding E Bike for Adults Electric Bike with Suspension, 10.4Ah Battery, 500W Motor, 19mph Top Speed, Step Through Adult Electric Bicycles, Mini Commute Ebike for Adults and Teens by isinwheel
- **How much does it cost?** ¥118214 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/792094937-isinwheel-u4-16-folding-e-bike-for-adults-electric-bike)

## Best For

- isinwheel enthusiasts

## Why This Product

- Trusted isinwheel brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Compact & Foldable:** Transforms to 32.2" x 27" in seconds—perfect for city living and easy storage.
- • **Powerful 500W Motor:** Accelerate to 19 mph in just 3.8 seconds for a swift urban commute.
- • **Customizable Utility:** Standard rear rack plus optional bags and holders to carry your essentials in style.
- • **Comfort-First Suspension:** Front fork and shock-absorbing seat smooth out every bump on your route.
- • **Long-Lasting 10.4Ah Battery:** Removable and rechargeable for extended rides without the hassle.

## Overview

The isinwheel U4 is a 16" folding electric bike designed for adults and teens seeking a compact yet powerful ride. Featuring a 500W motor, 10.4Ah removable battery, and front suspension, it delivers a smooth, fast, and comfortable commute with a top speed of 19 mph. Its foldable aluminum frame and adjustable components make it ideal for city dwellers who value portability, convenience, and style.

## Description

Full description not available

## Features

- 16 inch, Just the Right Size: The 16" mini electric bike for teens hits the sweet spot between ultra-compact 14" and full-size 20" models. It offers smoother control, better comfort, and greater stability — without sacrificing portability. Perfect for city commuters who want an e-bike that’s easy to handle, store, and enjoy every day
- Easy to Fold, Easy to Store: The handlebar and frame fold down in seconds, transforming the e bicycle into a compact size of just 32.2" long and 27" wide — perfectly portable for your car trunk, office, or apartment
- Reliable Performance You Can Trust — Backed by 15 years of isinwheel expertise in smart mobility, this electric bike for adults focuses on true quality over empty specs. It's equipped with a 500W motor and 10.4Ah removable battery, reaching 19 mph (0–top speed in just 3.8s). CFR1512 certified with multi-layer protection, it ensures safe, durable, and worry-free rides every time
- Mini Size, Big Utility: Unlike most small electric bike, it comes with a standard rear rack that supports add-ons like rear baskets for carrying groceries or gear. You can also personalize your ride with optional handlebar bags and bottle holders
- Comfortable Ride: Enjoy a smoother journey with a foldable electric bike front suspension fork and shock-absorbing seat that effectively reduce bumps. The adjustable handlebar and seat height ensure the perfect fit, while the smart controller algorithm automatically adapts power output for a more effortless and responsive riding experience

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Bike Type | Electric Bike |
| Age Range (Description) | Adult |
| Brand | isinwheel |
| Number of Speeds | 3 |
| Color | Black |
| Wheel Size | 16 Inches |
| Suspension Type | Front |
| Special Feature | Foldable, Front fork & seat shock absorber, Rechargeable, adjustable |
| Size | 32.2" x 27" |
| Brake Style | Disc |
| Style | With Pump |
| Model Name | U4 |
| Power Source | Electric motor |
| Wheel Material | Aluminum |
| Warranty Type | Limited |
| Assembly Required | No |
| Bicycle Gear Shifter Type | Twist Grip |
| Frame Material | Aluminum |
| Bicycle Drivetrain Type | chain drive |
| Electric Assist Type | pedal assist |
| Frame Type | Folding |
| Brand Name | isinwheel |

## Product Details

- **Bike Type:** Electric Bike
- **Age Range (Description):** Adult
- **Brand:** isinwheel
- **Number of Speeds:** 3
- **Color:** Black
- **Wheel Size:** 16 Inches
- **Suspension Type:** Front
- **Special Feature:** Foldable, Front fork & seat shock absorber, Rechargeable, adjustable
- **Size:** 32.2" x 27"
- **Brake Style:** Disc

## Images

![isinwheel U4 16" Folding E Bike for Adults Electric Bike with Suspension, 10.4Ah Battery, 500W Motor, 19mph Top Speed, Step Through Adult Electric Bicycles, Mini Commute Ebike for Adults and Teens - Image 1](https://m.media-amazon.com/images/I/716EmDSlNqL.jpg)
![isinwheel U4 16" Folding E Bike for Adults Electric Bike with Suspension, 10.4Ah Battery, 500W Motor, 19mph Top Speed, Step Through Adult Electric Bicycles, Mini Commute Ebike for Adults and Teens - Image 2](https://m.media-amazon.com/images/I/81XncWL4-zL.jpg)
![isinwheel U4 16" Folding E Bike for Adults Electric Bike with Suspension, 10.4Ah Battery, 500W Motor, 19mph Top Speed, Step Through Adult Electric Bicycles, Mini Commute Ebike for Adults and Teens - Image 3](https://m.media-amazon.com/images/I/712mr+oBEYL.jpg)
![isinwheel U4 16" Folding E Bike for Adults Electric Bike with Suspension, 10.4Ah Battery, 500W Motor, 19mph Top Speed, Step Through Adult Electric Bicycles, Mini Commute Ebike for Adults and Teens - Image 4](https://m.media-amazon.com/images/I/71LpC1DNFZL.jpg)
![isinwheel U4 16" Folding E Bike for Adults Electric Bike with Suspension, 10.4Ah Battery, 500W Motor, 19mph Top Speed, Step Through Adult Electric Bicycles, Mini Commute Ebike for Adults and Teens - Image 5](https://m.media-amazon.com/images/I/718XFSvgbmL.jpg)

## Available Options

This product comes in different **Color, Style** options.

## Questions & Answers

**Q: What's the best highlight of this U4 electric bike?**
A: Newly upgraded control chip & Hall sensor achieved the perfect balance of precision and power.Brings the smoothest launch and smooth ride possible

**Q: How far can I ride on the U4 ebike fully charged battery?**
A: The U4 e-bike features 16-inch tires and a 374.4Wh upgraded lithium-ion battery and offers a range of 25 miles (electric mode) to 55 miles (pedal-assist).

**Q: Is the bike pedal assist, full throttle or both?**
A: Hello, the U4 electric bike supports 4 modes: pedal assist mode, pure electric mode, pedal mode and walk Assist mode.

**Q: What are the benefits of this Step-Thru frame ang foldable design?**
A: The Step-Thru frame is more friendly to all riders of different heights and ages, getting on and off the bike with ease. The foldable design makes this e-bike easy to store and carry, perfect for tight spaces or traveling.

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**Shop now:** [https://www.desertcart.jp/products/792094937-isinwheel-u4-16-folding-e-bike-for-adults-electric-bike](https://www.desertcart.jp/products/792094937-isinwheel-u4-16-folding-e-bike-for-adults-electric-bike)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-11-12*