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this is sick

nawl that aint going to work, I gotta a big boy hood motor, my question is how do you put a jackshaft in a bottom bracket

my drivetrain is setup as both a gas engine and an out board electric motor going to a jackshaft seated in a crankcase with a hidden rear wheel beltdrive(I saw beau's bike)

cool but i still need a rear triangle

I got the tubing some weeks ago, made a floor jig and finished welding up my frame today. Ive realised that people dont have much faith in me, oh well built with non-believers in mind But theres one problem, I need a rear triangle and girder fork, any ideas?

its about time, let me tell yall a story. About 2 weeks after finishing my ratrod board track racer, i began to have some fun with it. But then, noticed something. The torque from my engine began to twist my frame up like a paper clip. Once again, back to the design room. With me already having...

my frame is built out 2 inch and 1 1/2 inch, .120 DOM tubing, i just need a rear triangle and a girder fork, my drive train is gas and electric

hardtail, my btr is high powered

How did you redrill the spike holes in your rims

Well I'm running in between 2.125 to 4" rear tires and combined with the electric drivetrain, 15 to 17 hp

Would steel flat bar work as a rear triangle

On board track racers, some bikes have a jackshaft in the bottom bracket

is it possible to do this with one rim (using a welder)

how do you put a jackshaft inside a crackcase or bottom bracket?

Alright ladies and gents, here's another board track racer straight off the design works. I special designed the board track racer off the idea that in the distant future if motorcycle builders wanted to pay homage to board track racers, what would it look like? I may have an answer, pictures...

Re: 50's Schwinn Rat-Rod Boardtracker This bike is cool

This....bike....is....awesome

Oh yes

Everyone is about like this next bike, its an engineering feat

I need a rear triangle for a motorized bike but I'm tight on money so is there any part of a bicycle that I can use for a strong rear triangle