This little box could well get a lot more people out on two wheels. The Rubbee Drive is a bolt-on solution that effectively converts a regular bike into a power-assisted e-bike, and its design means that it’ll work with almost any bicycle.
The 6.8kg (15lbs) seatpost-mounted Rubbee contains a lithium-ion battery and 250w motor as well as polyurethane drive roller that feeds power directly to a rear tyre. A clip-on sensor located at the bottom bracket determines power delivery with assistance being provided up to a speed of 16mph /25km/h. Once initial installation is completed the Rubbee’s box can be installed or removed in seconds thanks to a quick-release clamp.
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The Rubbee is compatible with wheels ranging from 16-29in
A shock absorber on a pivoting arm works to ensure the Rubbee’s roller stays in contact with the rear wheel of the bike and doesn’t clatter around over rough terrain.The roller itself is happy to turn against any wheel between 16 and 29 inches and will work with tyres ranging from 20-60mm (0.79-2.36in) in width.
Rubbee claims a range of up to 25 miles / 40 km/h per charge and, while we're on the subject of charging, the device will go from flat to fully charged in four hours.
You can read more at BikeRadar.com
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