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cables(3 posts)

May 16, 2002 9:11 AM
My rear derailur cable is fraying where it goes under the bottom bracket. How difficult is it to replace the rear derailur cable on shimano ultegra STI? Any recommendations on what cable mfg to use? Should I replace both? The bike is two years old and I put on about 6,000 miles/year.

re: cablesDougSloan
May 16, 2002 2:24 PM
Just go to the LBS and tell them what you need; there are aftermarket cables or Shimano cables that work just fine. If you are not also replacing the housing, it's pretty easy. Just pull out the old one and thread in the new one, secure and adjust.

If it's frayed, you might cut the wire just above the fray so that it will cleanly pull back through the housing and shifter.

See how that goes, and then decide whether to do the front one. No need to do it unless there is a problem. Might go ahead and buy both so you'll have the other one.

Some informationNessism
May 16, 2002 5:50 PM
Check the following link for a nice article about cables.

I like to use "slick" cables made of stainless steel. Many lower grade cables use plated carbon steel which will rust after a while. The slick cables have a smoother surface so they slide better.