Razor SX350 Electric Dirt Bike
If you’re after a mini dirt bike that combines the adrenaline of motocross with the ease of an electric bike, the Razor SX350 Dirt Rocket McGrath is an exceptional contender. With branding from the legendary American motorcyclist Jeremy McGrath, rugged features, and balanced performance, it’s a standout option for young riders ready to take on the trails. Here’s our overall review of this incredible electric mini dirt bike for those in the market.

Who Should Consider the Razor SX350?
Designed for agility, this lightweight electric dirt bike is ideal for:
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Children aged 13 and up, though younger riders (8+) can start in Low-Speed mode with parental supervision and guidance.
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Max rider weight of 140 lb (64 kg) ensures longevity through growth spurts so your child can enjoy this mini bike through various stages of their development.
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Aspiring dirt bike fans seeking authentic MX-style performance in a manageable, electric format.
Specifications & Performance Highlights
Here’s how the SX350 impresses:
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Top Speeds:

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Low Speed: ~10 mph (16 km/h)
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High Speed: ~14 mph (22 km/h)
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Battery & Run Time:
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Runs up to 60 minutes in low-speed mode, 30 minutes in high-speed mode
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Powered by 24 V dual 12 V sealed lead-acid batteries; dirt bike charger included
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Motor & Drive:
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High-torque, 250 W chain-driven, rear-wheel setup—provides smooth and responsive acceleration
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Rugged Build — Real Dirt Bike Feel
The SX350 delivers authentic motocross aesthetics and construction:
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Steel MX-style frame, with double-crown fork for that off-road look and feel.
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12-inch spoked pneumatic knobby tires conquer soft dirt, mud, and grass effortlessly so
your young rider can practice on multiple types of terrain. -
Adjustable-angle riser handlebars and soft rubber grips ensure comfortable grips and easy adjustment for your child’s growing range.
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Practical touches: shatter-resistant fairings, folding metal foot pegs, and a retractable kickstand add convenience and durability so it will last you for years to come.
Safety Features Parents Can Trust
Razor builds in smart safety:
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UL2272 electrical certification (by accredited lab ACT Lab) ensures battery and wiring safety standards are met.
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Hand-operated rear brake, ideal for intuitive control and easy braking.
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Two-speed setting gives parents control over how fast their child can go, enhancing safety during early learning phases.
Real-World Use & Rider Experience
Beyond specs, here’s what really counts:
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Durability & build quality: A powder-coated steel frame blends weight and strength, perfect for bumpy trails and energetic riders.
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Variable-speed throttle makes control easy and scalable for beginners who are still learning to ride.
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Trail-ready performance: Knobby tires and suspension soak up terrain—kids get real motocross excitement without the risk a full-size dirt bike can poise.

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User feedback: Families love the balance of speed and safety; many report lasting performance well over 2 years of frequent use. The only nitpick? Some wish for longer ride time and complain of the relatively short battery live as well easier hand brake for smaller than average hands.
Pros & Cons Summary
PROS
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Authentic motocross styling with Jeremy McGrath branding
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Dual-speed modes suit beginners and more experienced young riders
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UL-certified electrical system promotes confidence and safety
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High-torque chain drive delivers purposeful acceleration
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Practical design includes kickstand, adjustable bars, folding pegs
CONS
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Only up to 30 minutes in High Speed; recharge time can feel long (often 6–7 hours)
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Lead-acid battery is heavier and slower to recharge than lithium options
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Hand brake may be tough for smallest hands to grip comfortably
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Not suited for riders taller or heavier than specified limit—performance suffers above weight limit
How the SX350 Stacks Against Other Models
Our comparison article between Razor MX350 and SX350 shows:
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Both bikes cap at 14 mph, but the SX350 is lighter and styled around Jeremy McGrath’s MX legacy — offering a cooler look for younger riders
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Dive deeper in our Razor electric dirt bikes buyer’s guide to weigh ride time, terrain, and aesthetics before picking the one that fits your child best.
Final Verdict: Tailored for Young Dirt Riders
The Razor SX350 beautifully bridges the gap between toy and machine. With genuine motocross DNA, kid-suitable performance, and thoughtful safety design, it’s a top pick for families looking to ignite a passion for off-road riding. It’s not just a toy—it’s a gateway to learning, confidence, and outdoor fun.
Want to find more great places to ride around the country? Check out our article on the best dirt bike trails in the US so you can find an incredible trail near you and get to riding!
