The Simplest Cheapest Motorbike You Can Possibly Make

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Introduction: The Simplest Cheapest Motorbike You Can Possibly Make

i made a motor bike for $30 it can go somewhere around 20mph and uses minimal tools it took me about 3 days to build because i cant get parts very quickly

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14 Comments

What type of engine did you use?

you should put a cover on it

i know i should i just can and i dont want to build a ghetto wood one that wouldn't look good

you could make one out of sheet metal pretty easily

LOL at 1:46 AND DON'T COME BACK!!!

what do you mean by dont come back?

It looks like you're chasing the car away.

One thing you have to watch out for is that the bike looks like a BMX, which are unstable at high speeds.
They have steep 'rake', almost vertical, on the front forks (and the handle-attachment). This allows a person to push the wheel around quite easily when travelling at low speed over rough terrain. But at higher speeds you want a shallow 'rake' as this makes the front wheel more stable to knocks and bumps. (That's part of the reason some Harley Davidson's come with those ridiculously long front forks - it does make the ride smoother.)
Riding a steep-rake forked bike at high speeds can result in the wheel flipping out from under you.

One of my university lecturers found out about this the very hard way when he was riding a mountain bike down a very steep concrete-surfaced road. Because the road was so smooth, he picked up a LOT of speed, hit a small bump, and then the bike spat him off and nearly under a truck. Had to have surgery to rebuild half his lower jaw.

Bending the front forks forward won't be enough to fix a BMX, as you also have to adjust the handle attachment (the pipe the front forks rotate through). This mod would be more suitable on a road bike, with some sort of additional heavy frame to hold the motor in place.