for efficiency the narrower the better (depending on your physiology) a lot of the time trial bikes used in the tour of britain were running old dura-ace for it's narrower q-factor. for a tosspot bike it will not matter.
@deleted started
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for efficiency the narrower the better (depending on your physiology) a lot of the time trial bikes used in the tour of britain were running old dura-ace for it's narrower q-factor.
for a tosspot bike it will not matter.