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Step 4Hoop Straps
The Hoop Straps to hold the rear tire are made from 1 1/4" strip stock zinc plated steel.
1. Drill 7/16" diameter holes in the ends of the strip stock. These holes are for the Eye Bolts .
2. Bend the strips into hoops by laying the strips cross-wise over the top of a bike tire and pushing the ends down.
The inflated tire, used as the fulcrum for the bend, provided even pressure and made a nice rounded bend. The larger radius bend fits the tire better than a sharp small diameter bend would.
Bend the straps such that the finished width between the ends of strap is slightly wider (3-4" per side) than the installed width on the Rear Beam.
During installation of the hoop & eye bolts, into the Rear Beam, the hoop ends will have to be squeezed together slightly to fit their final position. This in effect, spring loads the hoop arms (in the picture you can see the arms are not perfectly straight they have a slight bow, due to the compression during installation.)
This spring effect helps keep tension on the hoop when they are tightened down on the rear bike wheel.
1. Drill 7/16" diameter holes in the ends of the strip stock. These holes are for the Eye Bolts .
2. Bend the strips into hoops by laying the strips cross-wise over the top of a bike tire and pushing the ends down.
The inflated tire, used as the fulcrum for the bend, provided even pressure and made a nice rounded bend. The larger radius bend fits the tire better than a sharp small diameter bend would.
Bend the straps such that the finished width between the ends of strap is slightly wider (3-4" per side) than the installed width on the Rear Beam.
During installation of the hoop & eye bolts, into the Rear Beam, the hoop ends will have to be squeezed together slightly to fit their final position. This in effect, spring loads the hoop arms (in the picture you can see the arms are not perfectly straight they have a slight bow, due to the compression during installation.)
This spring effect helps keep tension on the hoop when they are tightened down on the rear bike wheel.
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