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Road 700x30 tubeless
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Sparky
Joined: 08 Dec 2003
Posts: 15727
Location: Portland, OR

2/7/17 7:41 PM

The 25mm Michelin casing get pretty fat on wider rims too. I find the Conti GP4Ks run similarly generous in size as the Michelins. The All Seasons not so much, a 28=26 pretty much.

Typed some of this before [all?]

23mm wide rims, GP4Ks 23=25.4, 25=27.7

I had 28 GP4Ks on the Disc Strong for the Crater Lake ride Sept/2016. 25mm wide Pacenti SL25 Rims, the tires fatted out to 31.8mm @ 85 lb.

I can not fit those 28mm Contis on any plastic road bike I have. I tried them on the Madone which has the most clearance of my plastic bikes. On 23mm wide rims they touch the calipers and front crown.

I wonder if the extra space the Domane RSL is purported to have over the regular Domane and Madone will allow those 28mm GP4Ks tires. ;)

But 27.6-7mm is wide enough for me on the 25mm Contis on 23mm wide rims.

The Old 25mm Axial Pros I have run on the 25mm wide Pacenti rims porked out to 29.2mm. I have my last few NOS Axials mounted now. Do not seem to role like the GP4Ks IMO.

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Sparky
Joined: 08 Dec 2003
Posts: 15727
Location: Portland, OR

2/9/17 11:17 PM

Forgot to say thanks for the update on the Schwalbe S-One tubeless 700x30...

;)

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