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Step 2Remove Unwanted Bike Parts
The first thing I did was strip the old frame of parts that I needed for the trailer. I got an old mountain bike from a local freecycle member and immediately stripped off (and saved) everything I didn't need.
Once the bike was stripped of unwanted items, I took the hacksaw out and started cutting off the rear triangle. I wasn't sure how long I needed the "arms" to be, so I cut as close to the seat tube as possible.
Using the conduit bender, I bent the bottom arms of the rear triangle so that they were parallel to the top arms of the triangle. See the second picture for a look at what I mean.
I also cut off the head tube from the frame for use in the pivot point assembly.
I then ground off the residual metal from the head tube and tapered the rear arms so that they fit together nicely and provided a larger surface area for brazing. (I didn't braze this together at this point, although it could be done here.)
Once the bike was stripped of unwanted items, I took the hacksaw out and started cutting off the rear triangle. I wasn't sure how long I needed the "arms" to be, so I cut as close to the seat tube as possible.
Using the conduit bender, I bent the bottom arms of the rear triangle so that they were parallel to the top arms of the triangle. See the second picture for a look at what I mean.
I also cut off the head tube from the frame for use in the pivot point assembly.
I then ground off the residual metal from the head tube and tapered the rear arms so that they fit together nicely and provided a larger surface area for brazing. (I didn't braze this together at this point, although it could be done here.)
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