Technical & Reference Section > Tech and Restoration

Comp 3 skinny vs Fat

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Topcat:
Probably a really silly question and no doubt asked at some point on here.......

How comes some pairs are sold one fat (20x2.125) and one skinny (20x1.75) and others are just 2 skinny's.  Also if you have a pair of 20x1.75 surely these wouldn't fit.   ???

Sorry showing my complete lack of BMX knowledge here!  :uglystupid2:

CD17:
You can fit whatever size you want, a lot of bikes BITD came with a 1.75 on the back & a 2.125 on the front. I like the look of 1.75 tyres on both back & front  8)

zed4130:
i usualy use skinny back fat front, but recently ive been using skinny both, im still not sure though  :-\

lazychubs:
yep what chris said
and the idea of a fat front
is to clear the way for the skinny rear tyre
in muddy conditions
not that im a bmx nerd or owt lol

GREMLIN:
I was told when i bought my 1st bmx that the front tyre was wider so it has a bigger footprint. Making it grippier for turning in etc when racing. Where the rear only turns on the 1 axis, so can be slimmer. As if an 11 year old really cared  ???.
I prefer 1.75's front and rear  :daumenhoch: But do have fat/thin on 1 or 2 rides.  ;)   G.

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