What size is a standard bicycle axle nut?

What size is a standard bicycle axle nut?

Bicycle Industry ThreadsNominal Thread SizeExample of Bicycle Uses5/16 inch x 24 tpiFront hubs, solid axle, less expensive bikes8mm x 1mmSquare-type crank bolts, front solid axle hubs, suspension system hardware8mm x 1.25mmStem hardware, stud type crank nuts, suspension hardware8mm x 0.75mmChainring bolt25 •

What is the difference between inch thread and MM thread?

Metric thread sizes are specified differently than inch thread sizes. Inch sizes are specified using the nominal major diameter and the number of threads per inch. 5 (coarse) thread has a 1.5mm pitch, while an M10x1. 25 (fine) thread has a 1.25mm pitch.

Are bike pedal threads universal?

As previous answers have pointed out, bicycle pedals are not universal. Though 9/16″ is the most common size, others are available. The pedal spanner/wrench is one of the most frequently used tools in a bike shop. So it follows that a (near) standard thread should be in existence.

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