Dirt Bike Training Wheels Compatible with Razor MX Series - Stable Fit

In this review the Dirt Bike Training Wheels are judged as a practical upgrade for kids learning to ride small dirt bikes. The kit is aimed at parents and guardians who need a reliable, easy to install stabilizer for kids bikes with a 5.9in to 10in pedal-to-ground distance, and the single biggest reason to buy is its strengthened alloy steel shaft that stays straight under normal use. The reviewer found the wheels provided predictable balance, came with two mounting bolt sizes, and included protective extras that help children feel safer while they practice.

Key Features

• Compatibility: Designed to fit Razor MX500, MX125, MX400, MX350, MX650 and SX500 models and most mini bikes with a 5.9in to 10in pedal-to-ground distance so you can expect broad fit across common kids dirt bikes.
• Universal fit design: The middle steel shaft height is increased to 4.7in and the kit includes two bolt sizes (M85.5cm and M65.5cm) to accommodate different mounting requirements.
• Durable shaft: A 33.1in precision alloy steel shaft resists bending and deformation, offering long-term stability through impacts and rough use.
• Tire construction: Comes with 2.50-4, 4PR tires that are thicker than basic training wheels, reducing punctures and maintaining a steady ride on gravel or dirt.
• Installation support: Includes two 10-13 metal wrenches plus detailed instructions and installation videos so setup is straightforward for most adults.
• Safety extras: The package adds protective gear, a reflective vest and bells to boost visibility and give children additional confidence while learning.

Who It's For

This kit is best for parents of kids who own small electric or gas-powered dirt bikes or mini bikes with the specified pedal-to-ground clearance, especially Razor MX series owners who want a stronger, more durable training wheel option. It fits families who prefer a solution that is both sturdy and fairly simple to install using basic tools.

Those who should look elsewhere include riders with bikes that have less than 5.9in or more than 10in pedal-to-ground clearance, or buyers seeking a lightweight travel-friendly trainer since the alloy shaft and thicker tires add weight compared with minimalist designs.

Pros & Cons

Pros

• Sturdy alloy steel shaft provides resistance to bending even after impacts.
• Universal fit with two bolt sizes and a raised 4.7in shaft height covers many small bike frames.
• Thick 2.50-4, 4PR tires reduce puncture risk and stabilize the ride on rough surfaces.
• Helpful extras and included wrenches make installation and safety more convenient.

Cons

• The assembly is heavier than some lightweight alternatives, which may be a drawback if frequent removal is required.
• Not compatible with bikes outside the 5.9in to 10in pedal-to-ground specification without modification.

Specifications

Compatible Models	Razor MX500, MX125, MX400, MX350, MX650, SX500 and similar kids bikes
Pedal-to-Ground Distance	5.9in - 10in
Middle Shaft Height	4.7in
Training Wheel Shaft Length	33.1in
Tire Size	2.50-4, 4PR
Mounting Bolts Included	M85.5cm and M65.5cm
Included Tools	Two 10-13 metal wrenches plus instructions and video support

Our Verdict

The training wheels are a solid choice for parents of children using Razor MX series and similar mini dirt bikes within the specified clearance because they combine a reinforced alloy shaft, thicker tires, and practical mounting options for a reliable learning aid. Given the durability, included hardware and safety extras, this kit represents good value for families seeking a stable, long-lasting solution.

Frequently Asked Questions

Will these fit my Razor MX350?
Yes, the product lists Razor MX350 explicitly and fits bikes with a pedal-to-ground distance between 5.9in and 10in.

Are mounting bolts included?
Yes, the kit includes two mounting bolt sizes (M85.5cm and M65.5cm) to match different frames.

Does the shaft bend easily?
No, the 33.1in shaft is made from precision alloy steel and customers report it resists bending under normal use.