---
product_id: 733307840
title: "SUNDERWELL 40cc Mini Dirt Bike, 4-Stroke Gas Bike with Front Fork, Shock Absorber and Soft Seat Cushion, Max Load 165Lbs, Pull Start Cooperate Disc Brakes and Up to 19mph (Red)"
brand: "sunderwell"
price: "$899.73"
currency: USD
in_stock: false
reviews_count: 8
url: https://www.desertcart.us/products/733307840-sunderwell-40cc-mini-dirt-bike-4-stroke-gas-bike-front
store_origin: US
region: United States of America
---

# Disc brakes & shock absorbers Chain drive & pull start 40cc 4-stroke engine SUNDERWELL 40cc Mini Dirt Bike, 4-Stroke Gas Bike with Front Fork, Shock Absorber and Soft Seat Cushion, Max Load 165Lbs, Pull Start Cooperate Disc Brakes and Up to 19mph (Red)

**Brand:** sunderwell
**Price:** $899.73
**Availability:** ❌ Out of Stock

## Summary

> 🏁 Ride Fast, Ride Smart — Own the Dirt Track Before Anyone Else!

## Quick Answers

- **What is this?** SUNDERWELL 40cc Mini Dirt Bike, 4-Stroke Gas Bike with Front Fork, Shock Absorber and Soft Seat Cushion, Max Load 165Lbs, Pull Start Cooperate Disc Brakes and Up to 19mph (Red) by sunderwell
- **How much does it cost?** $899.73 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/733307840-sunderwell-40cc-mini-dirt-bike-4-stroke-gas-bike-front)

## Best For

- sunderwell enthusiasts

## Why This Product

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

## Key Features

- • **Comfort Meets Stability:** Front fork suspension and rear shock absorbers for a smooth ride on any terrain
- • **Effortless Control & Start:** Pull start with variable twist throttle for instant acceleration
- • **Safety-First Braking System:** Cooperative disc brakes ensure responsive stopping power
- • **Powerful 40cc 4-Stroke Engine:** No oil blending needed, smooth and reliable ride up to 19mph
- • **Perfect for Teens & Young Riders:** Supports up to 165 lbs, ideal for beginners stepping into gas-powered dirt biking

## Overview

The SUNDERWELL 40cc Mini Dirt Bike is a compact, gas-powered 4-stroke bike designed for teenagers and young riders. Featuring a 40cc engine that requires no oil blending, it delivers speeds up to 19mph with easy pull-start operation and chain drive. Equipped with front fork suspension, rear shock absorbers, and cooperative disc brakes, it offers a stable and comfortable ride. With a max load capacity of 165 lbs and a soft seat cushion, this mini dirt bike is the perfect entry-level machine for outdoor adventure and skill-building.

## Description

Product description

Review: Great Learner Bike - Great learner dirt bike for young kids. My 8 yr old loves it and doesn’t ever want to get off it. The bike is built quite durable and is very fast for such a small bike. I was able to get up to 21 mph with me riding it and I’m 5’ 10” and weigh 190 lbs. I highly recommend this for a kid looking to get there feet wet in the world of gas dirt bikes.
Review: Buyer Beware - Should have listened to the comments! Bought this bike for my son for Christmas. Everything started out great and my son loved it. Unfortunately, things took a quick turn for the worse. I reached out to customer service for support regarding the oil. I was initially given the run around. After connecting with multiple different reps I was never given a real answer. One said mix gas and oil, one said absolutely do not mix gas nd oil, one said the bike didn't need oil, another agreed noting it only needed gas. This was confusing as the bike has a gas tank and an oil tank and also came with oil initially (but the only label on the oil was "oil"). Nothing, not even the manual, stated what type of oil to use. An desertcart rep said any would work. So you mean to tell me olive oil would do the job? I think not! Anyways... after all that and only a few rides the whole braking system came off the bike and won't go back on. It has just been a nightmare! After many attempts to get the situation resolved the seller offered a refund upon a return of the bike. They provided me with a return label and stated I ship the bike back in the original shipping container... being as I ordered the bike before Christmas... I have, for obvious reasons, already disposed of the box. I now have absolutely no idea how to even get the bike to a store for return and have no box to return it in. I am far from happy with the product and service. Would not recommend! Please head my warning! Select a different brand!

## Features

- Product Size: Dirt bike: 51.18"Lx22"Wx31.1"H/weight: 55lbs. Packaging size: 45"Lx13"Wx 21"H/weight: 65lbs.
- Enjoy Dirt Bikes: Our mini dirt bike is equipped with a 40cc 4-stroke engine that does not require oil blending and has a range of 18.5miles.
- Easy to Operate: Pull start, use variable twist handle for acceleration, adopt chain drive mode, maximum speed of 19mph.
- Stable and Comfortable: This dirt bike is equipped with disc brakes, rear shock absorbers, and 2.5-10 tires, providing a stable and comfortable experience. It is the perfect choice for boys and girls outdoor experience and the perfect gift for any holiday.
- Scope of Application: Suitable for teenagers, with a maximum weight capacity of 165Lb.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0F94JT3GD |
| Age Range Description | teenager |
| Best Sellers Rank | #1,090,225 in Automotive ( See Top 100 in Automotive ) #589 in Motorcycles & ATVs |
| Brand Name | SUNDERWELL |
| Customer Reviews | 3.4 out of 5 stars 23 Reviews |
| Included Components | dirt bike |
| Is Assembly Required | Yes |
| Item Dimensions | 51.18 x 31.1 x 22 inches |
| Item Dimensions L x W x H | 51.18"L x 31.1"W x 22"H |
| Item Type Name | SUNDERWELL 40cc Mini Dirt Bike, Gas Bike with Front Fork, Shock Absorber and Soft Seat Cushion, Max Load 165Lbs, Pull Start Cooperate Disc Brakes and Up to 19mph (Red) |
| Item Weight | 55 Pounds |
| Manufacturer | SUNDERWELL |
| Manufacturer Maximum Age (MONTHS) | 240 |
| Manufacturer Minimum Age (MONTHS) | 156 |
| Manufacturer Part Number | DB008 |
| Material Type | Iron |
| Model Number | DB4S004 |
| Size | 51.18 inches x 22 inches x 31.1 inches |
| Sub Brand | SUNDERWELL |
| Theme | Sport |
| Unit Count | 1.0 Count |
| Weight Capacity Maximum | 165 Pounds |

## Images

![SUNDERWELL 40cc Mini Dirt Bike, 4-Stroke Gas Bike with Front Fork, Shock Absorber and Soft Seat Cushion, Max Load 165Lbs, Pull Start Cooperate Disc Brakes and Up to 19mph (Red) - Image 1](https://m.media-amazon.com/images/I/71OfMn7F2pL.jpg)
![SUNDERWELL 40cc Mini Dirt Bike, 4-Stroke Gas Bike with Front Fork, Shock Absorber and Soft Seat Cushion, Max Load 165Lbs, Pull Start Cooperate Disc Brakes and Up to 19mph (Red) - Image 2](https://m.media-amazon.com/images/I/81T9HNuXezL.jpg)
![SUNDERWELL 40cc Mini Dirt Bike, 4-Stroke Gas Bike with Front Fork, Shock Absorber and Soft Seat Cushion, Max Load 165Lbs, Pull Start Cooperate Disc Brakes and Up to 19mph (Red) - Image 3](https://m.media-amazon.com/images/I/817k75cbFTL.jpg)
![SUNDERWELL 40cc Mini Dirt Bike, 4-Stroke Gas Bike with Front Fork, Shock Absorber and Soft Seat Cushion, Max Load 165Lbs, Pull Start Cooperate Disc Brakes and Up to 19mph (Red) - Image 4](https://m.media-amazon.com/images/I/81f9XZOFomL.jpg)
![SUNDERWELL 40cc Mini Dirt Bike, 4-Stroke Gas Bike with Front Fork, Shock Absorber and Soft Seat Cushion, Max Load 165Lbs, Pull Start Cooperate Disc Brakes and Up to 19mph (Red) - Image 5](https://m.media-amazon.com/images/I/81ZLoMhU4SL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great Learner Bike
*by K***W on January 13, 2026*

Great learner dirt bike for young kids. My 8 yr old loves it and doesn’t ever want to get off it. The bike is built quite durable and is very fast for such a small bike. I was able to get up to 21 mph with me riding it and I’m 5’ 10” and weigh 190 lbs. I highly recommend this for a kid looking to get there feet wet in the world of gas dirt bikes.

### ⭐ Buyer Beware
*by C***Y on February 2, 2026*

Should have listened to the comments! Bought this bike for my son for Christmas. Everything started out great and my son loved it. Unfortunately, things took a quick turn for the worse. I reached out to customer service for support regarding the oil. I was initially given the run around. After connecting with multiple different reps I was never given a real answer. One said mix gas and oil, one said absolutely do not mix gas nd oil, one said the bike didn't need oil, another agreed noting it only needed gas. This was confusing as the bike has a gas tank and an oil tank and also came with oil initially (but the only label on the oil was "oil"). Nothing, not even the manual, stated what type of oil to use. An Amazon rep said any would work. So you mean to tell me olive oil would do the job? I think not! Anyways... after all that and only a few rides the whole braking system came off the bike and won't go back on. It has just been a nightmare! After many attempts to get the situation resolved the seller offered a refund upon a return of the bike. They provided me with a return label and stated I ship the bike back in the original shipping container... being as I ordered the bike before Christmas... I have, for obvious reasons, already disposed of the box. I now have absolutely no idea how to even get the bike to a store for return and have no box to return it in. I am far from happy with the product and service. Would not recommend! Please head my warning! Select a different brand!

### ⭐⭐⭐⭐⭐ Pretty awesome
*by J***M on December 25, 2025*

My son opened this up on Christmas and it has been a BLAST for my 9 year old. Although assembling was a bit tough.. but worth it

## Frequently Bought Together

- SUNDERWELL 50cc Mini Dirt Bike, 4-Stroke Kids Gas Bike with Front Fork, Shock Absorber and Soft Seat Cushion, Max Load 165Lbs, Pull Start Cooperate Disc Brakes and Up to 25mph (Red)
- Dirt Bike Training Wheels 50cc Compatible with razor MX500 MX125 MX400 honda CRF50 XR50 Z50 yamaha PW50 TTR50 ktm 50cc Mini Senior Adenture, Fit for All Kinds of 50CC Dirt Bike, 10 Years Warranty

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-07-10*