jackshaft motorbike 80

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    Sizing!! Will it fit? Please help

    OK i have the same question as well. I am a first time builder and i just got a new diamondback overdrive 29'er. its a 22 inch frame but it's design makes it very hard for me to know if motor will fit or not. there is 1 1/4 inch clearence from back of seat tube to the tire at the shortest...