Rubbee is a electric friction drive for bicycles that can be added to quite a few different types of bicycles. Looks easy to use and to add and remove from the bicycle itself. Good for those of us who rode to work but are dreading the ride home.
Here are the specs:
- Range (without pedaling): 25 km (15 mi)
- Top speed: 25 km/h (15 mph)
- Weight: 6.5 kg (14 lbs)
- Peak power: 800 W
- Integrated battery pack: 20000 mAh
- Full recharge time: 2 hours