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ERD Measurement

By Tandell Bikes August 8th, 2023 1740 views
ERD Measurement
ERD: Effective Rim Diameter,important data when you calculate correct spoke length.
We measure ERD here exclude nipple head dimension,so please add 2x nipple head after calculate spoke length with ERD data shown on website.




If you use internal nipple,add 9-10mm to the spoke length you calculated.
If you use double square nipple,add 3-4mm to the spoke length you calculated.
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