Rode my son's bike for part of today for a change. It's fitted with the latest trend 650b ( 27.5" ) wheels as opposed to the 26" ones I'm used to. There was a brief trend for 29" wheels but although they have lower rolling resistance and smash through obstacles they're generally not as easy to whip and turn/control in the tricky stuff.
The 650b size though does seem to be a good compromise. I heard it described as "like a mountain bike, but quicker", certainly seems that way. Still not sure I trust them as much on a rough descent though. Feel like they're flexing more, which some people like but I'm not convinced.
'He' likes them though.
Last edited by: Runfer D'Hills on Sun 13 Mar 16 at 15:43
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