HED wheels have been winning world championships for decades so I give their charts the nod.

I'm ~150 lb. and run a FLO 60 front, GP4k II 23c, latex at 75psi and a HED Jet+ Black Disc rear, GP4k II 23c, latex at 75psi.

Looking forward to Silca's calculator! I assume I'm right in the ballpark after listening to his podcasts.

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Madison photographer Timothy Hughes | Instagram