The length of the 80 - 80 is based on BB drop. This is a design factor in frame building and a measurement used to set up my jig. If you only want to build bikes with BB drop (most bikes) and aren’t building bikes with BB rise (BMX bikes) like me than this . Aug 06,  · My Arctos-inspired bicycle frame building jig. If you’re interested in building my design, drop Build A Motorcycle Frame Jig Yoga me a note to let me know what doesn’t make sense or could be improved in some way. Stay tuned for Part 2 of this post with more photos of the finished jig, its Build Your Own Carbon Bike Frame constituent parts, and short descriptions of how I manufactured each of the custom parts. Having a bicycle frame building jig is really helpful for this step. (See my instructable on how to build one here.) Jigs are helpful because they hold all the tubing at the right angles, you can miter a tube and throw it in the jig to test the fit. If it needs work you can pull it out, file it a bit and repeat.
Aug 06,  · My Arctos-inspired bicycle frame building jig. If you’re interested in building my design, drop me a note to let me know what doesn’t make sense or could be improved in some way. Stay tuned for Part 2 of this post with more photos of the finished jig, its constituent parts, and short descriptions of how I manufactured each of the custom parts. Bicycle Framebuilding Jig. I spent about nine months of nights and weekends in building this bicycle frame-welding fixture (a.k.a. frame jig). I put a lot of time into researching other designs that already existed, and then I mixed and matched ideas to get at my own thing. I wanted it to be Build Your Own Mini Bike Frame 10 rigid, easy and fast to setup, provide good. The length of the 80 - 80 is based on BB drop. This Build A Bike Frame Jig Yoga is a design factor in frame building and a measurement used to set up my jig. If you only want to build bikes with BB drop (most bikes) and aren’t building bikes with BB rise (BMX bikes) like me than this .

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