[CR] 650b Tire/Rim Fit "Issues"

(Example: Production Builders:Cinelli:Laser)

Date: Fri, 1 May 2009 15:24:11 -0700
From: "sandranian" <sandranian@yahoo.com>
To: Rendezvous Classic <classicrendezvous@bikelist.org>
Subject: [CR] 650b Tire/Rim Fit "Issues"

I just purchased a c1960 Gitane with 650b wheels/rims. I replaced the tires, purchasing (from Harris Cyclery) a pair of new Panaracer 650b tires. However, they don't seem to set right in the rims, specially the rear (I don't think the front rim is a problem). The rear rim is a steel Rigida 650b rim (at least that's what's stamped into it). The problem is that the bead of the tire doesn't seem to want to fit all the way around: It almost appears a bit small for the wheel. What is the problem here? What is the fix? Can I "stretch" the bead at all?

It all appears to be right, but just doesn't fit that way, even when inflated, it creates a "bump" (low) in the tire, but the rim is true (no hops).

Stephan Andranian Costa Mesa, California USA http://www.GitaneUSA.com


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