Waterproof 36V 750W 26" MTB (Mountain Bike Rim) Rear Geared Hub Motor Wheel Mount:Rear Bull Shark (52V 20Ah): A

Bull Shark (52V 20Ah): A compact powerhouse for speed and range in a sleek frame-mounted design

you can add a second battery to your bike

and efficient energy use

At the heart of this system is a 5000W direct-drive motor engineered to deliver relentless power without compromise

Waterproof 36V 750W 26" MTB (Mountain Bike Rim) Rear Geared Hub Motor Wheel Mount:Rear Bull Shark (52V 20Ah): AWaterproof 36V 750W 26" MTB (Mountain Bike Rim) Rear Front Geared Hub Motor Wheel Disclaimer: This is a wheel only listing, it doesn't come with any additional kit components. The aluminum double walled rim and hub motor are already attached, all you need to do is put your tire to the motor wheel. The wheel axle diameter is 10 mm. Steel forks can be filed if the axle does not fit into the dropout because of its slightly larger diameter. Please do not