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The Razor SX500 Dirt Rocket McGrath is a 36V electric dirt bike built for teens 14 and up, with a 500W motor, a top speed near 15 mph and about 40 minutes of run time. It is a scaled-down motocross-style ride-on with a twist-grip throttle, rear suspension and knobby tires, so it handles dirt and grass better than a scooter or a street-style e-bike. It suits teens and lighter adults who want a real dirt-bike feel without a gas engine. Against cheaper 24V Dirt Rockets it is faster and torquier, but it is heavy, needs assembly and is not a road-legal vehicle.
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Lowest price we've seen: $479.99 on Nov 9 at Target. Tracked across 1 store since Nov 9.
Owners treat the SX500 as a step up from the smaller 24V Dirt Rockets, praising the power and dirt handling for teens. Common complaints are the short run time, the weight and the assembly and maintenance work it needs.
