E-bikes combine a bicycle with a big lithium battery, a speed controller, and a motor. What you get from that combination is simple, efficient transportation. [Tom Stanton] wanted to build an e ...

The motor weighs just 1.2 kg, delivers 65 Nm and is barely bigger than a can of Coke: Urtopia is showcasing a particularly lightweight titanium e-bike at CES. Many bikes without a motor weigh more ...