BUILD A DIY ELECTRIC MOTORBIKE
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This bike was as fun to build as it is to ride! The motor is rated for 3000 watts continuous output, 5000 watts peak. It has loads of torque (max 85 Nm) for accelerating and climbing steep hills. Top speed on a 26" wheel is rated at around 90 kph, but I've only had the bike up to 80 kph a couple of times on these roads - they're just too rough to go beyond that for a novice like me. Regardless, it has no trouble keeping up to traffic on rural roads or overtaking slow drivers, if need be.
The battery consists of ten lithium 40V/5Ah Greenworks yard tool battery packs, which are wired in a series-parallel configuration to create a 72V/25Ah bank with a ~50 km driving range on average terrain (nominal voltage for the packs is actually 36V). In theory, a battery bank can be built with any tool battery, as long as the specs will work for the controller and motor.
Power: 3000W continuous, 5000W peak (~4 - 7 horsepower)
Weight: 120 lbs (54 kg)
Top speed: 56 mph (90 kph)
Range: 30 miles (~50 km), average terrain
Head tube angle: 66°
Suspension travel: ~180mm
Wheels: 26”x3” front, 26”x3” rear
Seat height: ~35”
Motor: brushless hub motor