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Nice work! Looks good. Thanks for posting your work.
Showing open and closed position for spring and washer assembly. Hole in washer fits over the head of the bolt on the plate on the bike. The spring holds the washer in position.
Sorry about the delay. Extended trip away from home and computer. These are close ups of the spring and washer assembly from perhaps a better angle. This is on the trailer and connects it to the plates and bolts on the bike by springing over the head of the bolt on the plate attached to the axle of the bike.
Do you have the shoulder bolt and hinge plate? Or is it the spring/bolt/ washer part that is confusing to you? I can describe it if I know exactly what you need described.
These are all older frames. Mostly from the 1980s and 1990s.
Any bicycle frame that has that flat plate above the rear wheel will work. It is where the brake caliper mounts. Most of these frames have a one inch seat tube, which will match nicely with the front fork, which is also one inch. I have used any department store quality frame for this. Just look for the most ordinary bikes, no suspension or extra large frame tubing. Raleigh, CCM, Norco, or other local store brands will work.
Nice to see the build on the site. Thanks for posting!
Actually I misread the post myself, hopefully I can clear this up. You may need to drill a separate hole near the slot in the dropout of the bike(soon to be trailer). The picture from the side showing the spring and bolt attached was drilled in this way. Sorry for the confusion on my part.
I loaded this trailer in its current design with 55 lbs. and rode 500 miles over 11 days through 9 days of rain. the pivot point withstood all the bumps of lousy highways and gravel roads. Tried to keep the build simple and straight forward.
No Weld Single Wheel Bike T...View Instructable »
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