You want a shape that’s 3:1 (depth/width) and a rim width at or over 105% of tyre width.
#broscience
Is that external or internal? If that's the case I need 90mm deep rims for the 30mm width....
@miro_o started
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You want a shape that’s 3:1 (depth/width) and a rim width at or over 105% of tyre width.
#broscience