Mystery Tool Part 2

People keep asking me what that mystery tool from the other day is,
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It's the base of a measurement jig for measuring four things:
saddle height, saddle setback, handlebar drop, and handlebar reach.

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↑Rear wheel jig

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↑Perfect level.

Sometimes you need to build a bike in a way that passes race venue checks for saddle setback of 50mm or more.
But aside from that, it's necessary for everyday work too.
The top half is still unfinished. Should be done soon.

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