Tyres For Bora 50’s

Everything about building wheels, glueing tubs, etc.
Davelittle
Posts: 8
Joined: Fri Oct 31, 2014 4:55 pm

by Davelittle

Evening all.

I’ve just purchase some Bora One 50’s and was wondering what tyres people are running on them. I’m not a fan of wide tyres, currently running Vittoria Open Corsa CX 23’s in Mavic Ksyrium SLR’s and I’m really happy with those. I’m aware the Boras are a bit wider so was wondering whether to go to 25’s or stick with 23’s on a larger fit like the Conti GP4000 II.

Many thanks,

Dave

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TonyM
Posts: 1801
Joined: Thu Jan 22, 2015 4:11 pm

by TonyM

So far only Vittoria CX Corsa 23/25, Veloflex Corsa 23/25 and Vittoria Open Corsa Pavé 25.
I will try next the Specialized Turbo Cotton 24/26.
Last edited by TonyM on Thu Mar 22, 2018 4:58 am, edited 1 time in total.

pdlpsher1
Posts: 1410
Joined: Thu Jul 19, 2012 6:09 pm
Location: CO

by pdlpsher1

I'm running Conti 4000 S II 23mm on the front and 25mm on the rear. The 23mm is a perfect fit from an aero standpoint The 25mm is not aero but I like having a slightly larger tire on the rear for comfort and durability.

jlok
Posts: 437
Joined: Tue Jun 30, 2015 3:30 am

by jlok

same here 23/25 but with Vittoria Corsa G+. Rolls very well even with the USB hubs.

Davelittle
Posts: 8
Joined: Fri Oct 31, 2014 4:55 pm

by Davelittle

pdlpsher1 wrote:
Thu Mar 22, 2018 6:38 am
I'm running Conti 4000 S II 23mm on the front and 25mm on the rear. The 23mm is a perfect fit from an aero standpoint The 25mm is not aero but I like having a slightly larger tire on the rear for comfort and durability.
Cheers. I thought the Conti 23’s would be a good fit.

Davelittle
Posts: 8
Joined: Fri Oct 31, 2014 4:55 pm

by Davelittle

jlok wrote:
Thu Mar 22, 2018 6:54 am
same here 23/25 but with Vittoria Corsa G+. Rolls very well even with the USB hubs.
Is the 23 a good aero fit on the front?

Priit
Posts: 13
Joined: Wed Jan 27, 2016 9:22 am

by Priit

For new Bora tubulars with 24.2 mm wide rim the perfect choice are 24 mm tyres, like Specialized Allround 24 mm or Continental Force Comp 24-622 tubulars. Don't know about clinchers, but guess that aero wise 23 mm tyres will fit the best - when fitted, they probably will measure around 24 mm or so.

dim
Posts: 176
Joined: Fri Oct 13, 2017 11:25 am
Location: Cambridge UK

by dim

Specialized Turbo Cotton 24's with latex tubes would be my 1st choice
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jlok
Posts: 437
Joined: Tue Jun 30, 2015 3:30 am

by jlok

Yes @Davelittle. The tire fits the rim profile.

Davelittle
Posts: 8
Joined: Fri Oct 31, 2014 4:55 pm

by Davelittle

Thanks all. Think I’ll go for the Vittoria’s in 23.

One more thing... will a 60mm tube valve be long enough to securely attach a pump?

neeb
Posts: 398
Joined: Tue Jan 27, 2009 8:19 pm

by neeb

I'm running the 25mm Vittoria Corsa G+ on my tubular Boras. They come up slightly narrow, measured width about 24mm, almost exactly the same width as the brake track. Doubtless the 23mm would be about 22mm actual width and slightly more aero.. would be interested to see a pic of what the G+ tubs in 23mm look like on the Boras given that they will be about 2mm narrower than the rim. The corresponding Vittoria clinchers will doubtless be wider when mounted, I'd certainly go with the 23mm for aero benefits in that case.

pdlpsher1
Posts: 1410
Joined: Thu Jul 19, 2012 6:09 pm
Location: CO

by pdlpsher1

I use 60mm valve stems on a Bora 50. No problem inflating the tire.


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jlok
Posts: 437
Joined: Tue Jun 30, 2015 3:30 am

by jlok

here are my 23 25 on Bora One 50ImageImage

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fogman
Posts: 770
Joined: Fri Oct 30, 2009 10:36 pm

by fogman

@jlok. Can you measure the 23mm and 25mm Corsas with calipers to give actual width of both tires?


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by Weenie


jlok
Posts: 437
Joined: Tue Jun 30, 2015 3:30 am

by jlok

it's 23.1 and 24.5 for 23 and 25 @110psi.

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