Best kids electric bikes

Rank a kids electric bike on two figures and ignore the rest: the top assisted speed, and whether the battery carries a UL certification. A 100 W motor capped at 9 mph is a better children's product than a 500 W motor capped at 20, whatever the specification sheet implies.

Start with the paediatric guidance, because it is unusually blunt

The American Academy of Pediatrics states that children aged 9 through 12 should not operate any product that travels faster than 10 mph, and summarizes that as no e-bikes under 12 years. For ages 12 to 15 it says choose a Class 1 bike only — motor assist while pedalling, no throttle. It also cites CPSC figures of roughly 155,200 emergency-department visits and 301 deaths attributed to e-bikes between 2017 and 2024.

We are not going to pretend that away in order to sell you a bike. It means two things for this page. First, an electric balance bike with a 5 mph training mode is a different product from a 20 mph pedal e-bike, and the two should not be compared. Second, if you are buying for a rider under 12, the speed cap is the whole specification.

The two categories, and why you only want one of them

Electric balance bikes — ages 3 to 7

A 12 or 16-inch frame with no pedals, a hub motor, and a throttle. The child balances and steers; the motor replaces the pushing. STACYC invented the category and Hiboy undercuts it. The reason these are defensible for young children is the mode switch: the STACYC 12eDRIVE's lowest setting is about 5 mph, which is slower than an adult jogging beside them.

They teach balance and braking. They teach nothing about pedalling, so they do not replace a first pedal bike — and at 17 to 19 lb they are nearly three times the weight of a good balance bike.

Pedal e-bikes — ages 8 and up, with caveats

A real bicycle with a hub motor and a battery. The JOYSTAR 20 in Electric Bike is the one built to kid dimensions rather than shrunk from an adult frame: 20-inch wheels, a 250 W brushless hub motor, a removable 24 V 5.2 Ah battery and mechanical disc brakes, for riders 4 ft 2 in to 5 ft 6 in. It is pedal-assist rather than throttle, which is the Class 1 arrangement the AAP points at for older riders.

JOYSTAR quotes a 15.5 mph figure on its own product page, but that is for the European version of the bike; the US listing quotes no top speed at all. Treat the cap as unknown and supervise accordingly.

Battery certification is the spec to insist on

Lithium batteries in family garages are the reason e-bike safety standards exist at all. UL 2849 covers the whole electrical system; UL 2271 and UL 2272 cover the battery. Of the five bikes here, Hiboy is the only brand that states a certification on its own product page (UL 2271 and UL 2272). STACYC and JOYSTAR do not, which is not the same as being uncertified, but it is the question to ask before you buy.

Helmets are a different purchase at these speeds

The AAP's guidance is that children riding e-bikes should wear a high-quality helmet made for higher speeds, CPSC-approved, rather than a standard bicycle lid. A 13.5 mph crash is not a balance-bike crash. Our helmet picks and the fitting method both apply, and they matter more here than anywhere else on this site.

What we would actually buy

For ages five to seven: the STACYC 16eDRIVE Brushless. 19 lb, a published 18–22 inch inseam range, and three modes so the ceiling can stay at 6 mph until they earn more. Leave it in low.

For ages three to five: the STACYC 12eDRIVE for the ~5 mph training mode and the published 15 inch seat height, or the Hiboy BK1 if the UL 2271 and UL 2272 certification and the far lower price matter more.

For ages nine to twelve: the STACYC Brushless 20eDRIVE, left in Low. Its training mode runs at roughly 10 mph, which is the only setting on this page that lands on the AAP's number rather than near it. And read the age guidance above again first.

If it has to pedal: the JOYSTAR 20 in Electric Bike. Pedal assist rather than a throttle, mechanical discs, and the only option here that does not cost four figures.