Razor SX500 McGrath Dirt Bike Specs & Review 2022

Razor SX500 McGrath Dirt Bike: In the past few years, a greater variety of dirt bikes are now available to young riders. Carbureted 50-cc Yamahas KTMs Suzukis do not have the sole say in this segment.

Additionally, the rapid development of electric bikes, such as Razor’s Razor SX500 McGrath Dirt Bike over the past decade has led to a variety of make and model choices and is more in line with consumer preferences.

Razor SX500 McGrath Dirt Bike

Razor SX500 is an MX-style motorcycle designed for the young dirt runner. With a motor that is 500 watts electric with variable-speed chain drive, dual suspension as well as Jeremy McGrath graphics, SX500 is the ideal tool to encourage friendship and having fun while taking a ride from hell to breakfast.

The McGrath-inspired design, supercharged motor, and high-torque drivetrain prove the thought-provoking design that goes into the design of Razor SX500. Find out about its specifications and features, as well as customer reviews and much more as this guide guides you to your next purchase.

Razor SX500 McGrath Dirt Bike

About Razor SX500 McGrath Dirt Bike

It is said that calling the Razor SX500 McGrath the most powerful dirt bike that is electric on the market could be an exaggeration. However, given its capability in handling dirt, speed, and MX-style tracks, it’s well-deserving of this description. 

It’s on par with Suzuki the DRZ50 Honda CRF50F Yamaha the TT-R50E and KTM SX 50 in the dirt bike segment. 

It is also one of the most affordable priced e-bikes that are not beaten with the Kuberg Cross X-Force Pro.

The price isn’t the most appealing thing about it. What people love in the motorcycle is the Supercross orientation and the unique frame design created by SX champion Jeremy McGrath. 

On the outside, the SX500 is very similar to the motocross wheelers that were used by the infamous “King of Supercross.”But for serious racers who are in training, there’s plenty of value in the SX500’s ability to accommodate freestyle motocross as well as BMX riding.

Razor Dirt Rocket SX500 Specs & Features Engine

Instead of a carburetor and fuel-injection system, The Razor SX500 utilizes a 500-watt electric motor that is operated with the aid of a 36-volt battery system. 

This allows the MX bike eco-friendly and easy to use because it doesn’t emit harmful gases or fumes that result from combustion. 

Additionally, it provides the possibility of a top speed that can reach 15 miles per hour (24 km/h) when fully accelerated.


A variable-speed chain drive supplies energy to wheels. It is coupled with the supercharged engine and the twist-grip accelerator control. The combination aids when climbing steep hills and traversing difficult terrains. 

It’s not clear in the maintenance manual if the powertrain is comprised of several gears, with derailleurs, or internal hubs for gears. 

However, keeping the right-spoke tension as well as the chain-sprocket alignment is vitally important. This is the same for applying sufficient amounts of lubricant to components to prevent them from squeezing or drying up.


It is the Razor SX500 is powered with the use of three (3) rechargeable 12V lead-acid batteries as well as a control module, and a triple fuse box.

There is no particular type of battery like UB12120ZH or UB12150K that is recommended in this SX500 McGrath since the decision will be based on the preference of an extended-range battery model or something that is similar to the stock.

Modification kits to fit Razor SX500 Dirt Bike. Modification kits for the Razor SX500 Dirt Bike are available to mechanically adept owners and are wired. They just require mounting a large controller as well as a larger battery pack with up to five batteries on the frame.

The stated time of operation for a fully charged battery network will last for 40 mins of constant usage. 

But, it can go as high as 75 minutes dependent on the terrain, speed of driving, and the weight of the driver (among other things).

Tires & Brakes

The tire-and-wheel assembly is among, perhaps the most impressive characteristics in Razor SX500. 

It comes with an operator-operated dual-disc brake system that is reliable for both rear and front brakes that provide the ability to stop on tap and the added security measure for riders who are young. 

The brakes come with knobby, pneumatic tires that offer stability on uneven surfaces as well as the tracks of motocross.

The tread patterns of the stock 16-inch front and 14-inch rear tires have been designed for improved performance on slippery surfaces as well as turning at angles that are narrow. 

These tires are compatible with robust brake discs that are capable of withstanding high impacts and also preventing the rims from stretching to the point of breaking. 

Additionally, the brakes that are on the hand are easy to use, increasing the rider’s confidence while keeping kids protected.


Double-crown forks inverted on the front along with rear shock absorbers make up the Razor SX500‘s double suspension system. 

The components are housed within a strong steel frame that is topped with an aluminum beam that is connected to massive Supercross tread tires. 

Additionally, the adjustable riser handlebars help with riding comfort as well as dirt bikes’ ease of moving.


The overall dimensions of this mini bike are 1,422 x 622 millimeters (56 36 and 24.5 inches in x W and H). 

Dry weight with no accessories is 44 kg (98 pounds.). Despite its lightweight, it is said that the SX500 can accommodate a weight capacity of up to 79 kg or 175 pounds.

However, long-term users suggest keeping the rider’s weight limit to 63.5 Kg (140 pounds.). GVWR or Gross Vehicle Weight Rating can be estimated to be 273 lbs or 124 kg. The upgrade of the dirt bike to 5 batteries and a mod kit could boost this number by 7 Kg.


On the exterior, The outside Razor SX500 McGrath is a faithful representation of the motorcycle Supercross huge shot Jeremy McGrath used to win championships. 

This is apparent in the special decals for the SX500 and is the only distinction between a Razor MX500 and SX500. 

The body’s green color is a nod to McGrath as an ex-spokesperson on behalf of Kawasaki dirt bike. 

For factory features the retractable kickstand, footpegs that fold up, a #2 pro-racing number plate, and shatter-proof fairings were included with Razor SX500.

Cost of a Razor SX500 Dirt Bike

The initial list price for Razor SX500 McGrath Dirt Bike (view on Amazon) Razor SX500 McGrath Dirt Bike (view on Amazon) is between $549 and $799.95 depending on the location it was purchased as well as whether there were any Halloween or other specials at when it was purchased. 

This price range applies to all production models, including auctions and resales values. Walmart, Amazon as well as eBay are great websites to explore if you’re looking to get an all-new or used bicycle.

Customer Feedback on the SX500

Customer Feedback on the SX500

Its Razor SX500 McGrath Dirt Bike predominantly gets good reviews from parents and children alike. From the reviews, owners share their enthusiasm for the supercharged motorbike.

It’s not quite the speed, power, and agility of a world-class motocross racing machine. However, when it comes to enjoyment, capabilities in terms of safety and fun, this will not let you down.

Ease of Use

If you’re looking for a motorcycle without an engine that is conventional and an oil-lubrication system The Razor SX500 is easy to ride. 

Features like the twist-grip throttle, dual disc handbrakes and adjustable handlebars that can be adjusted to allow for easy steering and make the bike is easy to steer. 

The dual suspension and tires are of a motorcycle design. keep the bike from rolling and ensure more comfortable riding. 

Furthermore, the design of the bike makes it stable enough and able to handle riders with weights up to 175 pounds.


The running time of the battery is an entirely different thing entirely. While some have reported as much as 75 mins of uninterrupted usage, however, the majority of riders aren’t very happy with the mere 40 minutes they typically get. 

They are not satisfied due to the triple battery network. It takes about 12 hours to fully recharge the SX500.

While the battery’s limited time is a good thing for parents who don’t want their children to ride too far from home, however, it could be a problem for teens. An effective solution for this is to buy another (or the third) battery to keep in your inventory – or change the battery’s network to allow up or five batteries.

Rider Comfort

Some patrons are also dissatisfied with the rider’s comfort. While the SX500 is suggested for younger riders who are 14 years old or over, its dimensions do not appear to be geared to the aforementioned age category. 

Despite its small frame with adjustable angle and riser-style handlebars, taller children have trouble using the bike.

 It’s not as smooth as the one on a Monkey Bike, but youngsters who have longer inseams might be prone to poor posture when they place their legs on the uncomfortable wheel.


The biggest drawback of the Razor SX500 for the majority of riders is the durability of its plastic parts. However, this isn’t to say that it is able to compensate for but it isn’t as sturdy. 

As it appears that this is the case with SX500 McGrath. SX500 McGrath. The front fender can break easily and isn’t suitable to be stored in garages in temperatures that exceed 50-60 degrees Celsius.

Additionally, it’s not as resistant to beating as the young teenagers believed which makes it better for youngsters between the ages of 8 and 12 than teenagers aged 14 or older.

About Razor

Razor (formally called Razor America LLC) is a California-based manufacturer and maker of electric and manual scooters and bikes and is an emerging leader in the dirt biking market. 

The company was established around 2000, 2000 by Carlton Calvin and the JD Corporation The company made its mark within the market by launching its first product, it was the Model A Scooter. 

The company has been able to innovate the old-fashioned scooter since then and has included electric minibikes, skateboards, personal transporters as well as its Razor Dirt Bike SX500 to its wide range of products.

Conclusion – Razor SX500 McGrath Dirt Bike

Overall The SX500 Razor is irresistible and a great deal for beginners or intermediate riders alike. 

With a price tag of less than $800, you’ll get the thumper that comes equipped with top safety features, the latest technology, and stunning workmanship. 

Yes, its performance and speed may be a little sluggish. However, it’s a motocross dirt bike that is suitable for racetracks.

It is a basic wheeler that even aggro-riders in training will struggle to keep up with.

How fast does a Razor mx400 dirt bike go?

14 miles/hour

It features a high-torque and powerful electric motor of 350 watts and large 12-inch pneumatic knobby tires to maximize power transfer with speeds of up to fourteen miles at a time with up to 30 mins of uninterrupted usage (up to 10 miles per charge) and you’ll be the rock star of the dirt hill.

Is Razor a good dirt bike brand?

The robust steel construction ensures quality, and the simple frame geometry helps produce more force when you go uphill. The maximum speed of the Razor electric dirt bike is 22 mph making it the top speed Razor electronic dirt bike. It may not sound that impressive, but it’s more than enough in the world of these types of vehicles.

Razor SX500 McGrath FAQ

1. Are Razor dirt bikes good?

The solid, steel construction is guaranteed to be of high quality and the authentic frame geometry provides extra power when you climb hills. The top speed of 22mph is one of the most powerful Razor dirtbikes that is electric. It may seem like nothing but it’s quite a bit in the world of these vehicles.

2. How fast does the green razor dirt bike go?

It can carry users at speeds between 14 and miles per hour (22 kilometers/hour) with up to 30 minutes of continuous usage. The handlebars are adjustable, with a riser style handle and spoked wheels that have 12″ pneumatic knobby tires, a retractable kickstand, and a hand-operated rear brake. 24V (two 12V) rechargeable sealed lead-acid battery system.

3. How long does the Razor scooter battery last?

With a battery lifespan of 70 minutes or more, This model takes your playing experience to a higher level. The scooter comes with a 75 percent longer battery life than other electric scooters which means you can play for a longer time.

4. How fast can a razor bike go?

In short, there’s the electric Razor scooter that can reach speeds that is as high as 18 miles per hour.

5. How do you charge a razor dirt bike?

Connect the charger to the charger port of the device. The charger’s light will turn red when charging. The light should turn green after the charge is completed.

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