Originally Posted by
fender1
If they bike in question can't fit 42mm Hetres, it would seem you would be missing a lot of the 650b experience. I have not ridden them but those who have swear there is little point to using anything else for 650b.
This is not right. Many people such as VintageRide with his Fuji and my own Bianchi conversion have great results with 38mm tires such as the Soma B-Lines. My converted bike is just as fast, way more comfortable, more versatile, and it handles better. Simply way more fun to ride all around.