The e-bike craze is hitting the US. People are searching all over for the best e-bikes to buy online and in stores.

If you purchase a e-bike, make sure it has the speed restrictions needed for your area. Make sure you read about what the bike allows.

The Optibike R22 Everest is an e-bike with a range of up to 300 miles and it's one of the longest range e-bikes available.

The R22 weighs just over 60-kilograms, making it a lightweight but powerful bike. It has an electric motor that delivers 190Nm of torque.

The Delfast Top 3.0i is another e-bike for sale. It looks like a full-on electric motorcycle, but it's classified as an e-bike.

This is a monster of an e-bike. It is fast and has a long range, making it great for people who want to ride long distances.

Revolution XX e-bike is the fastest one they have, with a top speed of 45.3 km/h and an acceleration of 1.7 seconds–it can even feel like you're going 45 km/h!

There are two e-bike modes: electric and off-road. The off-road mode gives you full power on an unpaved surface.

E-bikes are increasingly popular because of the speeds they can achieve. It will be interesting to see, in the future, how e-bike perform.