Razor Dirt Rocket SX500
A teen-size electric dirt bike with suspension and disc brakes at both ends. It suits riders 14 and up who want a quiet backyard bike.
Amazon $479.99$479.99
The Razor Dirt Rocket SX500 is the better go-kart or mini bike overall, rated 3.4 to 3.0. The Razor Dirt Rocket SX500 leads on ride and safety, rider weight and top speed. The Razor Dirt Rocket MX350 wins on price. The Razor Dirt Rocket MX350 costs $181.99 less ($298 vs $479.99).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
Razor Dirt Rocket MX350
The classic kids’ electric dirt bike for ages 8 to 13, quick enough to feel like a real motorbike. It has no suspension, so it rides best on grass and dirt paths.
Amazon $298$298
Which should you buy?
- Choose the Razor Dirt Rocket SX500 for ride and safety (front and rear suspension, disc brakes front and rear vs hand brake, speed control), rider weight (175 lb maximum rider weight vs 140 lb maximum rider weight) and top speed (15 mph top speed vs 14 mph top speed).
- Choose the Razor Dirt Rocket MX350 for price ($298 vs $479.99).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every electric dirt bikes and quads go-kart or mini bike; a clear win is highlighted. How we rank explains each one.
| Factor weight | Razor Dirt Rocket SX500 | Razor Dirt Rocket MX350 |
|---|---|---|
| Overall rating | 3.4/5 | 3.0/5 |
| Price 25% | 42 $479.99 | 73 $298 |
| Top speed 20% | 58 15 mph top speed | 50 14 mph top speed |
| Rider weight 20% | 62 175 lb maximum rider weight | 33 140 lb maximum rider weight |
| Ride and safety 25% | 76 front and rear suspension, disc brakes front and rear | 26 hand brake, speed control |
| Warranty 10% | 0 warranty not published, scored as none | 0 warranty not published, scored as none |
Specifications
| Razor Dirt Rocket SX500 | Razor Dirt Rocket MX350 | |
|---|---|---|
| Power | ||
| Type | Dirt bike | Dirt bike |
| Fuel | Electric | Electric |
| Battery | 36 V sealed lead-acid | 24 V sealed lead-acid |
| Performance | ||
| Top speed | 15 mph | 14 mph |
| Run time | 40 min | 60 min |
| Speed control | - | Yes |
| Rider | ||
| Max rider weight | 175 lb | 140 lb |
| Rider age | 14+ | 8+ |
| Chassis | ||
| Brakes | Disc, front and rear | Hand brake, type not stated |
| Suspension | Front and rear | None |
| Weight | - | 48.3 lb |