Introduction: Multi Purpose Bicycle Trailer
This trailer serves several purposes as a trailer hitch cargo tray, bike rack, mono wheel single track trailer, two wheel utility cart.
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Step 1: Option 1 - Cargo Tray
This is a standard Harbor Freight Cargo Tray. Two of the aluminum cross members have been removed to make room for the center wheel (mono wheel trailer). Two pieces of angle have been added to each side of the opening to mount the quick release wheel. These are bolted to the cargo tray.
The quick release bicycle mount is added to the to rail of the cargo tray.
The bracket on the other end of the cargo tray is a portion of the hitch mount on the bottom of the cargo tray. The cargo tray in the image shows a full hitch slide - this will be cut into three pieces. Two mounted on the cargo tray to mount on the hitch bar. The third piece use on the from the mount the Bob Trailer fork.
Step 2: Option 2 - Bicycle Rack and Cargo Tray
This image shows how the cargo tray serves as a bike rack and cargo tray.
Step 3: Option 3 - Mono Wheel Single Track Bicycle Trailer
This image shows the Bob Fork and 16 inch quick release wheel attached to the cargo tray. The trailer is attached to the rear axle with a Bob quick release skewer.
Step 4: Option 4 - Mono Wheel Sincle Track Trailer on Trailer Hitch
This is the cargo trailer set up as a mono-wheel bicycle trailer mounted to the trailer hitch bar with a bicycle attached. There is room for gear. Remove the bike and you can access the rear hatch of the car. Load and go and still have room in the car.
Step 5: Option 5 - Two Wheel Heavy Duty Utility Cart
This is the same cargo tray set up as a two wheel trailer with wheelbarrow wheels. The connection bar is a standard bicycle trailer bar with a standard axle attachment.
More information on construction will be added including conversion to a two wheel push cart.
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