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Electric Vehicles Research
Posted on January 22, 2016 by  & 

Kuberg Freerider, a lightweight electric dirt bike

The new Kuberg Freerider, a lightweight electric dirt bike aimed at teenagers, weighs in at 79lb (36kg) with a double cradle, powder-coated steel tube frame and a 48 V motor which generates 8 kW (11 hp) that can propel the bike to 34 mph (55 km/h).
 
The Freerider is powered by a 22 Ah lithium polymer battery pack that the company claims can last for one hour while a 165lb (75kg) rider travels at full speed. Regular recharge time is listed at two and a half hours from a 110 V or 220 V outlet or generator. A quick charger is available as an optional accessory.
 
Suspension comes in the form of a Manitou Dorado Expert front fork with 7 in (180 mm) of travel and a DNM Burner RB-RCP shock in the rear to provide plenty of support through varied terrain and jumps.
 
Kuberg put hardened 203 mm brake disks with sintered brake pads on both front and rear to reduce the heat that regular discs can generate and to ensure longer disc life overall, then kitted both wire spoke wheels out in 20 x 2.5 Maxxis Creepy Crawler tires.
 
Seat height is listed at 34.5 in (86 cm) and the overall wheelbase is 48.5 in (123 cm), which means a reasonable centre of gravity, but the height alone will put this bike out of the reach for the really young.
 
Another optional extra Kuberg offer is a special dongle for the bike that which connects to the bike's sensors and communicates wirelessly to an app available for both iOS and Android. The dongle and app combo let you monitor the battery level, track average speed and torque, share your rides, and set the max torque and speed for parents concerned about the rider's safety.
 
 
There are only a few Kuberg dealers worldwide so buying a Freerider may not be straightforward, the list price is US$3,999, excluding any taxes and shipping charges.
 
 
 
Kuberg Freerider specification:
 
MOTOR - 48V, Peak power > 8kW
 
TOP SPEED - Approx 34 mph (55 km/h)
 
RANGE - up to 1 hour
 
CHARGE TIME - 2.5 hours
 
BRAKES - Hardened 203mm brake disks with sintered brake pads
 
FORKS - Manitou Dorado Expert 180mm with air pump
 
SHOCK ABSORBER - DNM BURNER RB-RCP
 
WHEELBASE - 48.5" (123 cm)
 
SEAT HEIGHT - 34.5" (86 cm)
 
WEIGHT - 79 lbs (36 kg)
 
 
 
 

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Posted on: January 22, 2016

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