• On lacing patterns, I’ve read that radial lacing isn’t a good idea for rear drive-side.

    But Zipp 101 wheels have 20h rear with radial drive and 1x non-drive side lacing. They have good engineers, so why have they decided to do this?

    https://youtu.be/-4fjYeq-Pwk

  • why have they decided to do this?

    Because they couldn't be arsed to design their wheel properly?

    When Mavic started doing it a couple of decades ago, they proposed that radial gave better lateral stiffness on the side which is always weak on that front, and the hub shell was more than stiff enough in torsion to let the NDS spokes deal with drive torque without excessive wind up. While these things are theoretically true, the effect is vanishingly small compared with the correct design for highly dished wheels which have torque loads on the side with the poor bracing angle, which is to put more spokes on that side.

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