How To Build A Trials Motorbike I Am Looking To Build A 26 Inch Wheel Trials/Urban Bicycle Does Anyone Have A Good Frame Suggestion?

I am looking to build a 26 inch wheel Trials/Urban Bicycle does anyone have a good frame suggestion? - how to build a trials motorbike

I want a bike that will be used to rideing style test can build, but also as Basher around the city. It must be light and durable. Giant STP'm think, for the frame, but can not find a weight for the frame. Suggestions or information for the weight part is wonderful.