These dual pivot callipers are produced in Taiwan for Super Cycles, who distribute the Guess brand of bikes and components in the UK.
The melt forged arms are CNC milled to save weight and the drop ranges from 43mm-50mm. The brake blocks supplied are what we would expect for the price - fairly good, but we did notice a significant improvement in power when we changed over to Mavic brake blocks. The absence of a quick release lever limits their compatibility to only Campagnolo Ergopower levers with the built-in quick release button on the lever blade. We had to adjust the pivot bearings for smooth operation, which was inconvenient.
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