ASKGO S9-2

The 30-second verdict

This is the ASKGO S9 shrunk onto 16 x 4.0 inch wheels: the same 960 Wh battery, the same 2500 W peak motor, the same NFC unlock and LCD, in a shorter moto-styled frame for $485.99. As hardware per dollar it is one of the strongest things on Amazon. As a product decision it is aimed squarely at teenagers, and that is where we part company with the listing.

The battery is the reason to look

48 V x 20 Ah is 960 Wh, roughly double what $500 normally buys, and the 65-mile claim works out at 14.8 Wh per mile, optimistic but achievable for a light rider in low assist on flat ground. Plan on 35-45 miles. On a compact 16-inch bike that is a genuinely large amount of usable range, because small wheels usually come with a small pack.

Who ASKGO says it is for, and why that matters

The listing is explicit: "designed specifically for young riders", "designed for teenagers and young adults", "a teenager's first e-bike", "a perfect gift for teenagers, college students". It then specifies a top speed of 28 mph with a throttle. In the US three-class framework, Class 1 and Class 2 cap at 20 mph, and Class 3 permits 28 mph but is pedal-assist only in most states. A 28 mph throttle bike therefore fits no class in any state, and ASKGO states no rated wattage, only the 2500 W peak, so there is no figure on the listing that could demonstrate compliance.

Sold to an adult who understands that, this is a fast private-land bike with a huge battery. Sold as a graduation gift to a sixteen-year-old who will ride it on a bike path, it is an unregistered motor vehicle that nobody in the transaction knew was one. Most controllers of this type expose a speed limit in the display menu; capping it at 20 mph brings it inside Class 2, which is legal in all 50 states. That is the setting to change before the first ride, not a detail to discover afterwards.

The rest of the sheet

16 x 4.0 wide tires with a front fork and a sprung seatpost (which ASKGO calls "dual suspension" although it is nothing of the kind), dual disc brakes, NFC card unlock, a sunlight-readable LCD, a bold motorcycle-style frame, 80% pre-assembly in a case with tools, and a 12-month warranty. Small wheels make it easy to store and easy to manoeuvre; they also make it twitchier at speed than the 20-inch S9, which is worth weighing given the speeds involved.