Join Date: Feb 2006
Location: nashville, tn
Bikes: Commuters: Fuji Delray road, Fuji Discovery mtb...Touring: Softride Traveler...Road: C-dale SR300
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Originally Posted by UMassAm
my shifting cables are a bit rusted/corroded along the top tube. is this potentially dangerous? should i be able to keep them over the winter?
There is cable cover material available in bulk that one can cut to length. It's made of Teflon and isn't the standard type one finds from the frame to the rear derailleur for example. It's designed to cover exposed portions of brake and shifting cables exactly like you're posting about.
Get new cables if you're really concerned or take some 4-600 grit sandpaper to the old ones while disconnected to get the rust off. Then whether you decide to get new cables or not get some marine grade grease and coat the cables before you insert them into the teflon coating.
My main commuter is a CX bike and has 3 exposed cables across the tope tube like a mountain bike. I added teflon cable covering and the marine grease like suggested above. It's part of my maintenence routine to re-coat them once in a while.
Even w/all that I have
broken 2 rear der cables as water will seep in at the shifter and rust the cable right at the point where the ball connects to the cable. Best to change them all out once per year.