Wide Rims and Tires: Real Measurements

Everything about building wheels, glueing tubs, etc.
Posts: 972
Joined: Fri Oct 30, 2009 10:36 pm

by fogman

Here is my database of various tires I have measured with a digital caliper over the years:

Measured Tire Widths @ 100 psi:

Bora Clincher C17:
Conti GP4000S II (23c) = 25.4 mm
Conti GP4000S II (25c) = 26.7 mm
Vittoria Corsa G+ (23c) = 24.7 mm
Vittoria Corsa G+ (25c) = 26.6 mm
Vredestein Senso (25c) = 25.4 mm
Schwalbe One (25c) = 26.2 mm

Shamal Clincher C15:
Conti GP4000S II (23c) = 24.6 mm
Vittoria Corsa CXIII (25c) = 26.7 mm

Bora Tubular:
Vittoria Corsa CXIII (25c) = 26.0 mm
Vittoria Corsa G+ (25c) = 24.6 mm

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by Weenie

Posts: 17
Joined: Sun Oct 28, 2018 10:30 pm

by Terrordact

Mounted GP5000 700x25 clincher tires to LB 56 deep 30 external 23 internal rims. At 80psi they measure 28.19 perfect for the 105% rule even with a little stretching.

Posts: 348
Joined: Wed Jun 28, 2017 8:59 am

by iamraymond

DT Swiss - PRC 1400 SPLINE (18mm inner / 25mm outer width):
-Vittoria Corsa G+ 25mm (85psi): 26.5mm
-Vittoria Corsa G+ 28mm (65psi): 28.0mm

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