looking for hybrid frame

[GOTFEAR]

Looking for a hybrid frame for use of a four stroke motor

[bluebaron]

You can always start with a 400ex frame, if you can find a hybrid frame. Before production 450 quads, I saw a lot of 400ex framed yz426fs, yz450fs, and crf450s.

[TilltheEnd]

jrd racing still makes hybrid frames