---
product_id: 559029391
title: "Magna Major Damage Children's 12-20\" Bike – Bold and Durable Design, Perfect for Kids Learning to Ride, Sturdy and Easy to Assemble, Ideal for Young Riders"
brand: "dynacraft"
price: "$1185.90"
currency: USD
in_stock: true
reviews_count: 13
category: "Dynacraft"
url: https://www.desertcart.us/products/559029391-magna-major-damage-childrens-12-20-bike-bold-and-durable
store_origin: US
region: United States of America
---

# Adjustable seat fits growing kids 6-10 Alloy steel frame & wheels for durability Easy 15-min assembly with included kickstand Magna Major Damage Children's 12-20" Bike – Bold and Durable Design, Perfect for Kids Learning to Ride, Sturdy and Easy to Assemble, Ideal for Young Riders

**Brand:** dynacraft
**Price:** $1185.90
**Availability:** ✅ In Stock

## Summary

> 🚴‍♂️ Ride Bold, Ride Ready – The Ultimate Starter Bike for Future Champions!

## Quick Answers

- **What is this?** Magna Major Damage Children's 12-20" Bike – Bold and Durable Design, Perfect for Kids Learning to Ride, Sturdy and Easy to Assemble, Ideal for Young Riders by dynacraft
- **How much does it cost?** $1185.90 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/559029391-magna-major-damage-childrens-12-20-bike-bold-and-durable)

## Best For

- dynacraft enthusiasts

## Why This Product

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

## Key Features

- • **Comfort That Grows:** Adjustable seat adapts as your child grows, delivering ergonomic comfort on every ride.
- • **Smooth & Safe Braking:** Reliable coaster brake system offers intuitive stopping power, perfect for beginner cyclists.
- • **Quick Setup, More Play:** Assemble in just 15 minutes with included tools and kickstand—get your kid riding faster, no hassle.
- • **Bold Style, Confident Kids:** Striking blue BMX design with padded handlebars makes your child stand out while riding in style.
- • **Built to Last, Ready to Ride:** Robust alloy steel frame and wheels ensure long-lasting durability for adventurous young riders.

## Overview

The Dynacraft Magna Major Damage 20" bike is a sturdy, easy-to-assemble BMX designed for kids aged 6-10. Featuring a durable alloy steel frame and wheels, adjustable seat, and reliable coaster brakes, it offers a safe and comfortable ride. With a bold design and trusted Dynacraft quality, this bike is perfect for young riders learning to conquer roads and trails.

## Description

Be awesome, be epic, and cause some major damage on the Magna Major Damage 20-inch Boys Bike by Dynacraft. This BMX-style frame boasts a deluxe paint finish in vibrant blue and black, complete with eye-catching graphics and vibrant details on the handlebar pad, frame, and chain guard. Coaster brakes make stopping a breeze, while removable/adjustable training wheels offer extra stability until they're ready to ride on their own. An adjustable, padded seat ensures the bike can grow with them, and the size and design are optimal for riders aged 3-5 years. Get your little one ready for an epic ride with the Dynacraft Major Damage 20-inch Boys Bike!

## Features

- Trusted Brand Legacy: With over three decades of experience, Dynacraft is a name synonymous with quality and innovation in the bicycle industry. Our bikes are designed to provide the ultimate riding experience, combining advanced engineering with stylish aesthetics.
- Uncompromising Quality: Each Dynacraft bike is meticulously crafted using premium materials and state-of-the-art manufacturing processes. Our commitment to quality ensures that every bike delivers exceptional performance, durability, and reliability, making it a perfect choice for riders of all ages and skill levels.
- Comprehensive Warranty and Support: We stand behind our products with a comprehensive warranty that covers manufacturing defects for up to one year. Our dedicated customer support team is always ready to assist, ensuring you have a smooth and satisfying ownership experience.
- Enhanced Riding Comfort: Dynacraft bikes are designed with the rider's comfort in mind. Featuring ergonomic designs, adjustable seats, and high-quality tires, our bikes offer a smooth and enjoyable ride, whether you're commuting, exercising, or exploring new trails.
- Wide Range of Models: From children's bikes to adult bicycles, Dynacraft offers a diverse range of models to suit every rider's needs. Our bikes come in various sizes and styles, ensuring that everyone from young learners to seasoned cyclists can find their perfect match.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09V8ZCTDY |
| Additional Features | Adjustable Seat |
| Age Range (Description) | 6-10 |
| Age Range Description | 6-10 |
| Best Sellers Rank | #24,047 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #55 in Kids' Bicycles |
| Bicycle Drivetrain Type | Coaster |
| Bicycle Gear Shifter Type | Intergrated |
| Bike Type | BMX Bike |
| Brake Style | Coaster |
| Brand | Dynacraft |
| Brand Name | Dynacraft |
| Color | Blue |
| Customer Reviews | 4.5 out of 5 stars 3,109 Reviews |
| Frame Material Type | Alloy Steel |
| Global Trade Identification Number | 00087876115038 |
| Included Components | Kickstand |
| Is Assembly Required | Yes |
| Is Autographed | No |
| Item Type Name | Boys Bike |
| Item Weight | 25.08 Pounds |
| Manufacturer | Dynacraft |
| Model Name | Major Damage |
| Model Number | 8115-03 |
| Model Year | 2022 |
| Number Of Speeds | 1 |
| Number of Handles | 1 |
| Number of Speeds | 1 |
| Power Source | manual winding |
| Seat Material | Plastic |
| Size | 20" |
| Specific Uses For Product | Gravel, Road |
| Style Name | 20-inch Wheels |
| Suspension Type | Rear |
| UPC | 087876115038 |
| Warranty Description | Limited 1 Year Warranty |
| Warranty Type | Limited |
| Wheel Material | Alloy Steel |
| Wheel Size | 20 Inches |

## Product Details

- **Age Range (Description):** 6-10
- **Bike Type:** BMX Bike
- **Brand:** Dynacraft
- **Color:** Blue
- **Frame Material:** Alloy Steel
- **Included Components:** Kickstand
- **Number of Speeds:** 1
- **Special Feature:** Adjustable Seat
- **Suspension Type:** Rear
- **Wheel Size:** 20 Inches

## Images

![Magna Major Damage Children's 12-20" Bike – Bold and Durable Design, Perfect for Kids Learning to Ride, Sturdy and Easy to Assemble, Ideal for Young Riders - Image 1](https://m.media-amazon.com/images/I/710H6qh9jzL.jpg)
![Magna Major Damage Children's 12-20" Bike – Bold and Durable Design, Perfect for Kids Learning to Ride, Sturdy and Easy to Assemble, Ideal for Young Riders - Image 2](https://m.media-amazon.com/images/I/71rU0YnIP9L.jpg)
![Magna Major Damage Children's 12-20" Bike – Bold and Durable Design, Perfect for Kids Learning to Ride, Sturdy and Easy to Assemble, Ideal for Young Riders - Image 3](https://m.media-amazon.com/images/I/511QumAeW5L.jpg)
![Magna Major Damage Children's 12-20" Bike – Bold and Durable Design, Perfect for Kids Learning to Ride, Sturdy and Easy to Assemble, Ideal for Young Riders - Image 4](https://m.media-amazon.com/images/I/71-NgdJ4vxL.jpg)
![Magna Major Damage Children's 12-20" Bike – Bold and Durable Design, Perfect for Kids Learning to Ride, Sturdy and Easy to Assemble, Ideal for Young Riders - Image 5](https://m.media-amazon.com/images/I/71+YBsfDY3L.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by C***T on December 24, 2025*



### ⭐⭐⭐⭐⭐ Review
*by A***H on December 29, 2025*



### ⭐⭐⭐⭐⭐ Review
*by J***N on December 14, 2025*



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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-05-16*