I know its not a mtb but look what i picked up

[themountie]

A 24 volt one will do up to 30mph hours so I wanna do 36 volt with a lipo battery

 

[MR OX]

Re:

Superb! Not an mtb but definately retro.

 

[themountie]

needs bit of welding to chassis and tidying up

 

[KDM]

https://www.youtube.com/watch?v=WlMh9SOPvGk

This might help

https://www.youtube.com/watch?v=xS6q27VOTOk

 

[themountie]

I seen the jet one before alien harper built one that hit 150mph