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Office Chair Bike

Step 2Cut and Miter the bike tubes for joints

Cut and Miter the bike tubes for joints

Use a hole saw (toothed cylindrical drill bit) to simultaneously cut and miter the donor bike's former downtube to become a boom tube out to the Donor bike's BB. Carefully eyeball the angle but always wear eye protection when eyeballing.

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Woodenbikes (Woodenbikes)

Long time bicyclist, bike commuter, bike tourer, recent bike builder/experimenter. My day job is as an energy planner for a small utility. I specialize in hydro electric, other renewables and gas fire...