The Street > The Bike Shop
Yakob/Merged article on tyre size
JFax:
1.75? Nah, too thin. 1.95 as a minimum. But 2.1 front and back is a good standard I think.
I dont think the inflation diameter has that big of an impact of me riding. But I wonder, is there like a standard or norm to what tyre size to use when measuring frame geometry, like BB height?
hugh.:
Currently running 2.125 front and rear. It's awesome
RighteousBMX:
2.25 in the back for bump jumps, anything bigger feels really sluggish to me. I think bigger tires are popular these days because frames became shorter and the bigger tire gives added stability while still allowing the bicycle rider to perform advanced maneuveureurs.
stevefromtexas:
I won't use anything bigger than 2.3 I'm not going to go out and get new forks so I can run a 2.4 to big you don't need them.
Locomotivebrand:
--- Quote from: JFax on February 18, 2015, 02:24:47 AM ---1.75? Nah, too thin. 1.95 as a minimum. But 2.1 front and back is a good standard I think.
I dont think the inflation diameter has that big of an impact of me riding. But I wonder, is there like a standard or norm to what tyre size to use when measuring frame geometry, like BB height?
--- End quote ---
From what I've seen they assume the tire size is 20''. So for BB height it's 10'' plus the rise above axle line. It would, in my opinion, be better/more correct/make more sense to measure BB height from the axle line and not from the "ground".
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