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Balance
Bicycles that pull to one side, or require a rider to lean to one side
to ride no-hands usually has a bent fork, frame bends having little effect on straight ahead balance. The rule is to bend the fork blades laterally toward the side to which one must lean to ride no-hands. This generally requires fork tip relocation of 5mm or so. This will not show up on any frame measurement technique but must be determined at the fork. Whether the fork is symmetrical can be measured by laying the bicycle on its side, handlebars removed so the fork can be rotated 180 degrees. Measure the lateral position of the fork ends when they are in an (exactly) horizontal position, tips up and tips down. This is a simple measurement in a fork fixture used by frame builders. Jobst Brandt |
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