Hiboy DK1
A light lithium dirt bike with suspension and a 5 mph mode, for young kids moving up to their first motorbike. It is outgrown at 140 lb.
Amazon $359.94$359.94
The Hiboy DK1 is the better go-kart or mini bike overall, rated 3.5 to 3.4. The Hiboy DK1 leads on price. The Razor Dirt Rocket SX500 wins on rider weight. The Hiboy DK1 costs $120.05 less ($359.94 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 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
Which should you buy?
- Choose the Hiboy DK1 for price ($359.94 vs $479.99).
- Choose the Razor Dirt Rocket SX500 for rider weight (175 lb maximum rider weight vs 140 lb maximum rider weight).
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 | Hiboy DK1 | Razor Dirt Rocket SX500 |
|---|---|---|
| Overall rating | 3.5/5 | 3.4/5 |
| Price 25% | 61 $359.94 | 42 $479.99 |
| Top speed 20% | 62 15.5 mph top speed | 58 15 mph top speed |
| Rider weight 20% | 33 140 lb maximum rider weight | 62 175 lb maximum rider weight |
| Ride and safety 25% | 77 front and rear suspension, disc brake, speed control | 76 front and rear suspension, disc brakes front and rear |
| Warranty 10% | 43 1-year warranty | 0 warranty not published, scored as none |
Specifications
| Hiboy DK1 | Razor Dirt Rocket SX500 | |
|---|---|---|
| Power | ||
| Type | Dirt bike | Dirt bike |
| Fuel | Electric | Electric |
| Motor | 300 W | - |
| Battery | 36 V 5.2 Ah lithium | 36 V sealed lead-acid |
| Battery energy | 187 Wh | - |
| Performance | ||
| Top speed | 15.5 mph | 15 mph |
| Range | 13.7 mi | - |
| Run time | - | 40 min |
| Speed control | Yes | - |
| Rider | ||
| Max rider weight | 140 lb | 175 lb |
| Rider age | 3+ | 14+ |
| Chassis | ||
| Brakes | Disc | Disc, front and rear |
| Suspension | Front and rear | Front and rear |
| Weight | 38 lb | - |
| Warranty | 1 year | - |