Changing and adjusting cables

Mechanical discs seem to suffer from dirt ingress slightly less than V-brakes. Corrosion in the cables will still make the brakes feel sluggish, though, and frayed or kinked cables will need replacing.

Cut the cable end off the old cable. Undo the cable clamp bolt and free the end of the cable. Unthread the cable from inside the casing, leaving the casing in place. Keep any rubber boots. Once back at the lever, look to work out how the nipple is seated (it’s usually in a pivoted nest attached to the lever blade). Pull in the lever and look at the exposed section from underneath. Most are variants on the type shown in the picture. Undo the lockring on the barrel-adjuster until its slot lines up with that on the front of the lever body, then undo the barrel to line up its slot too. (Shimano XT and XTR levers don’t have lockrings anymore.) Pull the cable forward, so it slips out…

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Bike Maintenance Tips, Tricks & Techniques (Digital) - 1 Issue, Bike Maintenance Tips, Tricks & Techniques 3rd Edition

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