• Afternoon all. Has a wanabe wheel builder who has built 5 pairs of wheels with the help of this forum a club member gave me a pair of hubs from a set off Syncros RL1.0 28mm carbon wheels where the rims where toasted, unfortunately i never got the chance to measure the ERD and spoke lengths which would have helped me calculate the lenght of the new spokes. These are going to be paired with DTswiss RR411 with a ERD of 601. This will also be my first build with straight pull spokes. Ive measured the hubs specs which are re branded DTswiss hubs , Which spoke calculator for straight pull spokes??

  • Sounds like the dtswiss calculator will be your best bet!

  • DT Swiss may make the hubs but maybe not exact copies of what they put in there wheels. I doubt the DT swiss calculator will give the right results. i could be wrong. there is no calculator for straight pull hubs which is the problem.

    you could do a drawing and with the position of the hole from the hub centre measured you could do a bit of trig to calculate the spoke length. That is the opposite, the adjacent will be the distance on the drawing (as its 2D) from the spoke hole to the rim. then spoke length = height of nipple head + sqrt(opp^2+adj^2)
    I think that is.

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