How to Replace a Cable in a Shimano Sl-RS40

Written by courtney johnson
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How to Replace a Cable in a Shimano Sl-RS40
With a Phillips-head screwdriver, a cyclist can change out a cable for a Shimano SI-RS40. (George Diebold/Photodisc/Getty Images)

The Shimano SL-RS40 "Tourney Revo" is a three-speed gear twist shifter with handlebar grip mount. Just as with any other parts on a bike, cables from the SL-RS40 may need to be replaced over time from heavy usage, if they stretch or are damaged. Replacement cables can be purchased at a bike shop or online and a cyclist can do the replacement job themselves at home or leave the bike at the shop.

Skill level:
Moderately Easy

Things you need

  • Phillips-head screwdriver
  • Replacement shifter cable

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  1. 1

    Shift down to the hardest gear.

  2. 2

    Take a Phillips-head screwdriver and loosen the plastic screw on your shifter.

  3. 3

    Remove the plastic screw.

  4. 4

    Push the cable completely out of the shifter. The cable end should pop out where the screw was.

  5. 5

    Keep the shifter in the most difficult gear.

  6. 6

    Slide the new cable through where the old cable came out.

  7. 7

    Tighten the screw back down tightly with the Phillips head.

  8. 8

    Hook up the new cable into the derailleur from which you removed the old cable.

Tips and warnings

  • Inspect the cables on your bike often to make sure this isn't damage or too much wear and tear.

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