Is there a standard in EBB diameters? I am planning to build a SS frame next spring. While shopping for frame parts I saw several sizes (54 and 57 mm dia these being Haden and Everest). Since I want to be able to try something new later on (or when I kill my EBB) I need to have uniformity in sizing.
If there is not a standard, what is the most commonly used size?
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Thread: EBB standard