[CR]Cleaning gum hoods?

(Example: Racing:Roger de Vlaeminck)

Date: Fri, 17 Mar 2006 11:40:51 -0500
From: Don Rogers <turning.pedals@gmail.com>
To: "Classic Rendezvous Bike List" <classicrendezvous@bikelist.org>
Subject: [CR]Cleaning gum hoods?

Hi, folks.

I picked up a set of NOS Dia-Compe levers and they have gum hoods that are flexy and soft and happy -- ready to roll. Except, one of them has a sort of bloom or coating of a powdery/cloudy-looking dark gray substance, which just looks nasty and doesn't make me want to put my hands on 'em. It's not like a surface spot of dirt or grease, though it may have been that at one time. It's more like *in* the rubber, as well as at its surface.

I kind of like some of the mold details of these hoods, which makes me reluctant to order up standard replacement hoods.

I checked the archives and didn't find any useful advice. Does anyone have any suggestions on effective and non-destructive/rubber-safe cleaning of gum hoods? Soaps? Detergents? Degreasers?

Thanks very much,

Don Rogers
Rumford, RI USA