Why Square Taper Cranks Are So Common on Beginner Unicycles

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2026-11-05 07:41:16 -

If you remove a pair of square taper cranks from a unicycle, you will see that the interface between the cranks and the bottom bracket axle is square in cross section. This is where the name comes from, though they are also called cotterless cranks. The corners of the square engage the bottom bracket axle (spindle) and transfer leverage that way, so when you rotate the crank arms, the...

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