Tag Archives: measure

How To Measure Chainring Bcd

Figuring out what size chainring you have is pretty easy, it's just a matter of knowing what size bolt circle diameter (or bcd) you have. It can be somewhat difficult to make this measurement if you don't have a caliper since the crankarm gets in the way. BBSHD Chainring Spacer …

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How To Measure Thread Size Diameter

If you find yourself owning (or wanting) to own a lens with a 77mm+ diameter (or filter thread), expect to pay more for a filter than someone with a 67mm or lower. For example, a bolt and nut may be described as being ½” diameter. 40 Awesome bolts size chart …

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