Measure Effective Rim Diameter (ERD) With Homemade ToolsPosted by on in Wheels & Tires
I show how to make simple tools to measure Effective Rim Diameter (ERD) and how to use them. The are made out of old bike spokes. The ERD is one of the measurements needed to determine spoke length when build a wheel.
Leave a Reply
You must be logged in to post a comment.
Connect With US