How To Build An Electric Motorcycle Ep 3: Wiring, Brakes & Seat
James Biggar James Biggar
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 Published On Nov 1, 2020

How To Build An Electric Motorcycle. Get the plans: https://renewablesystemstechnology.co...
In this video I install the brakes & electrical system in the bike, and make the seat. If you missed parts 1 & 2, you can watch them here:
Pt 1 Chassis & suspension -    • How To Build An Electric Motorcycle E...  
Pt 2 Fairing -    • How To Build An Electric Motorcycle E...  

Bike specs:
Power: 12 kw/ 24 kWp, 32 hp gross
Motor: QS273 70H brushless hub motor
Battery: 74V/4.3 kWh Li-Po
Range: up to 100 km's
Top speed: ~115 kph (71 mph) @ 72V, 150 kph (93 mph) @ 120V
Max torque: 350 Nm (258 ft-lb)
Controller: Kelly KLS72601
Wheelbase: 55" (140 cm)
Rake angle: 26°
Trail: 4.9" (124.5 mm)
Turning radius: 72" (183 cm)
Weight: 300 lb (136 kg)
Front suspension travel: 5" (130 mm)
Rear suspension travel: 8" (203 mm)
Front tire: 120/70-17 Shinko 705
Rear tire: 180/55-17 Metzler Karoo Street

Electrical components:

72V motor
https://www.qsmotor.com/product/17-in...

KLS72501 controller
https://www.kellycontroller.com/shop/...

72V/400A contactor
https://www.kellycontroller.com/shop/...

LiPoFe4 cells
https://batteryhookup.com/products/10...

24S (72V) LiFePo4 BMS
https://www.aliexpress.com/item/32851...

72V-12V Converter
https://www.ebay.com/itm/Pro-Chaser-D...

12V horn
https://www.ebay.com/itm/12V-Loud-105...

12V turn indicators
https://www.ebay.com/itm/12v-Flowing-...

12V/18W LED bar lights
https://www.ebay.com/itm/LED-Work-Lig...

12V LED brake light
https://www.ebay.com/itm/2x-Bendable-...

Sicass Racing handlebar switch
https://www.ebay.com/itm/Sicass-Racin...

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