What age and max rider weight is the MX125 for?

Razor UK lists age 7+ with a max rider weight of 54 kg.

How fast does it go and how long does it run?

The UK listing gives clear headline performance stats for the MX125.Speed: up to 13 km/h (listed).Run time: up to 40 minutes of continuous use (listed).Twist-grip throttle + manual rear brake (listed).Battery: 12V sealed lead-acid; charger included (listed).

Is it for off-road or road use?

Off-road/private land only — Razor notes it’s not to be used on public roads/pavements.

What terrain is it best on?

Razor highlights the MX125 for building confidence off-road with knobby pneumatic tyres.Best for dry dirt paths and firm ground.Avoid wet/muddy terrain that reduces traction and braking.Adult supervision and protective gear are recommended (listed usage note).

Is it easy to assemble the Razor MX125 Dirt Rocket Kids Electric Dirt Bike?

The Razor MX125 Dirt Rocket Kids Electric Dirt Bike comes mostly assembled and only minor things need to be assembled. This should not take longer than 20-30 minutes to do.

Is the Razor MX125 Dirt Rocket Kids Electric Dirt Bike waterproof?

The Razor MX125 Dirt Rocket Kids Electric Dirt Bike is water-resistant, rated at IP65, but not waterproof. Short term, your product can get a little wet and be in the rain, but any long-term exposure can cause serious problems..

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Razor MX125 Dirt Rocket Kids Electric Dirt Bike

Brand:

Razor MX125 Dirt Rocket Kids Electric Dirt Bike

Name: Razor MX125 Dirt Rocket Kids Electric Dirt Bike
Brand: Razor
SKU: 15173863
Price: 299.0 GBP
Availability: InStock
Rating: 4.25 (4 reviews)

Battery

12V

Speed

8 MPH

Age Range

Run Time

40+ MINS

£369.99 £299.00

In stock 4 sold this week

Pay in 3 £99.67×3

Pay in 4 £74.75×4

Pay monthly £24.92/mo

Product variants:

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Typical delivery: 3–5 working days across UK mainland
Tracked via DPD / Parcelforce / DX / BJS

Returns

30-day returns on unused items
Used items cannot be returned for change of mind

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Warranty & Price Promise Cover, exclusions and matching policy

Off-Road Warranty

Cover varies by brand and model. See our warranty page for full terms.
Manufacturer cover usually applies to defects under normal use.
Batteries, tyres, chains, pads and plastics may have limited cover.
Racing, crashes, poor maintenance, water ingress and mods are usually excluded.

Warranty Page

Price Promise

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It must be the same brand, model, spec, colour and condition
UK retailers only. Marketplace and code-only deals may be excluded

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Shop Pay Pay Monthly Monthly payments available at checkout Rates up to 35.99% APR • 22% Representative APR

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Razor MX125 Dirt Rocket Key Features

The Razor MX125 Dirt Rocket is the smallest electric dirt bike in the Razor range, created to help younger riders build confidence off-road. It uses authentic motocross-inspired styling, knobby tyres and twist-grip control to deliver a proper mini dirt bike feel in a compact package.

For first-time trail and garden riders, it hits a sweet spot between approachable size and genuine off-road character. It looks the part and gives kids a more realistic ride experience than a basic toy-style bike.

Key Specs

Motocross-inspired frame styling
Knobby off-road tyres
Twist-grip throttle for a true dirt bike feel
Battery: 12V
Product weight: 13.5KG
Max rider weight: 50 kg
Motor power: 100W
Run time: 40 minutes
Recommended age: 7+
Max speed: 8 MPH

Razor MX125 Dirt Rocket Specifications

Collection	Kids Electric Dirt Bikes
Brand	Razor
Motor Power	100W
Battery	12V
Top Speed	8 MPH
Max Range	10 km
Max Rider Height	Small child fit (height range not published; max 54kg)
Charging Time	4–4.5 hours
Shock Absorbers	Rigid steel fork / no suspension
Wheel Size	12" pneumatic knobby tyres
Brakes	Hand-operated rear drum brake
Gears	Single speed / twist-grip throttle
Bike Weight	13.5KG
Max Rider Weight	50 kg

What's in the box?

1X Razor MX125 Dirt Rocket Kids Electric Dirt Bike (Mostly Built)

1X Charger

2X Keys

1X Assembly Tools

1X Assembly User Manual

Razor MX125 Dirt Rocket Kids Electric Dirt Bike FAQs

Great present

Bought this as a gift and it went down a treat. Assembly took a little time but nothing too stressful. Feels sturdy and handles bumps in the driveway well. We’re using it on private land with full kit and it’s been spot on. Happy we went for it.

Great present

Set up was straightforward and it’s been great so far. My kid was smiling within minutes of trying it. Speed feels sensible for beginners and easy to manage. We’re using it on private land with full kit and it’s been spot on. Exactly what we needed.

Built well

Better than expected for the price. Speed feels sensible for beginners and easy to manage. My kid was smiling within minutes of trying it. We’re using it on private land with full kit and it’s been spot on. Exactly what we needed.