What I have is a traditional old-school Bike Machinery frame jig, made in Italy 2-14-1986. Perfect for making custom frames. 100% steel, weighs a few hundred pounds. Basically a large, ground surface plate with v-blocks to locate the main tubes, cones for the head tube, and dummy axles for the dropouts. It has scales for the front center, rear center, fork length, headset stack height, head tube length, level top tube length, head angle, seat angle, and bb drop.
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