Tyres For Bora 50’s

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neeb
Posts: 401
Joined: Tue Jan 27, 2009 8:19 pm

by neeb

Interesting, thanks.

My 25s are definitely a fraction of a mm narrower (I can touch calipers to the 24.2mm rim and the rubber is not touching at most places on the circumference), but that's at about 90-95 PSI.

Reckon there could be any issues with running 23mm up front and 25 at the rear with the slightly different heights affecting the geometry of the bike?

by Weenie


jlok
Posts: 465
Joined: Tue Jun 30, 2015 3:30 am

by jlok

I can't sense any problem with that but I have it right from the beginning of this one so I have nothing to compare.

finished a crit safely today with the bike tho so I guess there shouldn't be any issue.... hopefully.

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fogman
Posts: 774
Joined: Fri Oct 30, 2009 10:36 pm

by fogman

@jlok. Thank you for the measurements. I forgot to ask, are those measurements for the clincher or tubular version of the Vittoria Corsa G+?


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It's all downhill from here, except for the uphills.

jlok
Posts: 465
Joined: Tue Jun 30, 2015 3:30 am

by jlok

they're tubular.

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cmcdonnell
Posts: 270
Joined: Sun Aug 02, 2015 7:50 pm

by cmcdonnell

I only use 23mm (or 24mm if you count the Spec. Turbo Cottons) tyres on my 17C boras (24.2 external) and all inflate to between 24-25mm which is perfect to me. 25mm tyres (only tried GP4000 S2) baloon to >27mm which looks awful and (i suspect) would not be very aerodynamic either.
Bianchi Oltre XR2 + Campagnolo Super Record 11 + Campagnolo Bora 50C
Litespeed T1 + Campagnolo Chorus 11 + Campagnolo Shamal Ultra

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