Question about Cycling
Measure the outer diameter of the tyre.put a mark on the side of the tyre and put to the floor.this will be a starting point to measure the tyre.get a tape measure.now roll the wheel foward and do one full rotation until the mark comes back to the floor.now measure that distance between from where mark started and finished. eg if you measured 2 metres then enter 200cm or 2000mm.most speedos usually except measuments in mm though.hope this helps
Posted on Oct 14, 2010
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Posted on Jan 02, 2017
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