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Hi I was just looking at some of my old paperwork on 20” wheels I’ve built for kingpins and Raleigh twenty wheels I think they were for 406 rims(ERD 390) and spoke lengths were around 190mm rear and 192mm front both SA hubs ,
You can buy spokes from Ryanbuildswheels or Handbuiltwheels both on bay quite reasonable prices
littleK-
cheers.
I'm using the Sun CR-18 (451, erd 441) rims with the original hubs.
from: https://leonard.io/edd/I get 214.6 (rear) and 216 (front) ... so slightly different from my earlier calcs
r_mash
ha wonderful, how did you calculate the spoke lengths?
I'm trying to keep the original front / sturmey archer rear ... based on some research/calcs this should be 214 rear and 216 front? but those are not showing up as sjs options ... :/
i've either calculated wrong or they've sold out ... most likely the former
edit: assuming a 3x pattern