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 $479.99The Razor Dirt Rocket SX500 rates 3.4 among electric dirt bikes and quads go-kart or mini bikes; the Coleman Powersports B100 rates 2.7 among mini bikes ones. The Razor Dirt Rocket SX500 costs $20 less ($479.99 vs $499.99).
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.

A small, low-cost gas mini bike for kids and light teens. Heavier riders should look at a 196cc bike.
Amazon $499.99Scores side by side
These two sit in different type classes (electric dirt bikes and quads and mini bikes), and each is scored against the reference points for its own class, so a rating says how well each does among its own type peers. How we rank explains each factor.
| Factor weight | Razor Dirt Rocket SX500 | Coleman Powersports B100 |
|---|---|---|
| Overall rating | 3.4/5 | 2.7/5 |
| Price 25% | 42 $479.99 | 83 $499.99 |
| Top speed 20% | 58 15 mph top speed | 47 22 mph top speed |
| Rider weight 20% | 62 175 lb maximum rider weight | 0 150 lb maximum rider weight |
| Ride and safety 25% | 76 front and rear suspension, disc brakes front and rear | 19 disc brake |
| Warranty 10% | 0 warranty not published, scored as none | 0 warranty not published, scored as none |
Specifications
| Razor Dirt Rocket SX500 | Coleman Powersports B100 | |
|---|---|---|
| Power | ||
| Type | Dirt bike | Mini bike |
| Fuel | Electric | Gas |
| Engine | - | 105 cc |
| Battery | 36 V sealed lead-acid | - |
| Electric start | - | No |
| Performance | ||
| Top speed | 15 mph | 22 mph |
| Run time | 40 min | - |
| Rider | ||
| Max rider weight | 175 lb | 150 lb |
| Rider age | 14+ | - |
| Chassis | ||
| Brakes | Disc, front and rear | Disc |
| Suspension | Front and rear | - |