451 wheels vs 20 inch, X-BIKE will produce you the best carbon wheelset

451 wheels vs 20 inch, X-BIKE will produce you the best carbon wheelset
Do you know the difference of the 451'' with 20 inch rim,
451 is closer to a True 20". A 451 with a 28mm tire has a diameter of 507mm, or just 1 mm shy of 20".

A 406, on the other hand, is roughly 2" less in diameter.
But no problem . you need any kind sizes of the wheel is ok.

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