Copenhagen bicycle wheel

The wheel can be retrofit to most bikes, and stores power, collects data, and secures the bike.






copenhagen wheel project

7lb e-bike conversion kit

Freedom E-Bikes claims to offer the world's lightest e-bike conversion kit, at just 7 lbs. The kit uses a 200W hub motor and 1kg battery, and is designed for the front wheel of the bike.




The basic kit isn't cheap at £500, but it looks flexible and lightweight.

Zuumer

Demand for Zuumers is incredible and far beyond production, so we are taking advanced reservations now!

These are actually pretty cool little EVs with a front hub motor and two in the back. Available now!

Available in the US from ZuumCraft.

Monocycle crash

This video of a v8 monocycle ends with a pretty spectacular crash at 2:55:

The Copenhagen Wheel

The Copenhagen Wheel: "

The Copenhagen Wheel collects energy from braking and coasting to power an electric hub motor. It can be retrofit to most bicycles without other changes, and also includes sensors to monitor speed and direction.

pi electric bike

Roll-formed aluminum arch monocoque structure, with the batteries on the inside. Pretty cool. Would love to see on of these in person. That headtube angle looks pretty slack and I'm not entirely sure why there appears to be a hub motor in the middle of the "chain stay" couldn't that all get packaged into the rear hub? But still, love the frame innovation.

pi mobility