Thread: 650 b wheels same as 26 inch?
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Old 05-19-22 | 02:25 PM
  #9  
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70sSanO
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From: Mission Viejo

Bikes: 1986 Cannondale SR400 (Flat bar commuter), 1988 Cannondale Criterium XTR, 1992 Serotta T-Max, 1995 Trek 970

While this is a bit OT, if 26” is 559mm bead diameter and 650b is 584mm bead diameter, that is a difference of 25mm (1”) in diameter.

How did the industry get to 27.5?

I’m pretty sure it is just marketing to fairly uninformed consumers that wanted a size right in the middle of 26” and 29”.

John
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