Broken front derailleur cable

Your front derailleur cable pulls your front derailleur outwards when you operate the shifter, shunting the chain from the smallest chainring to the middle and then largest chainrings. When you release the cable tension by clicking the triggershifters or rolling the twistshifters back, the spring in the front derailleur pulls the cage back, shunting the chain back into the middle and then smallest sprocket.

If your front derailleur cable breaks, the derailleur spring will simply pull the cage back over the smallest sprocket, leaving you with only your lowest range of gears. Cycling home in the smallest front sprocket is likely to be annoying. You will probably want to try to set the front derailleur so that it runs in the middle sprocket, rather than the small one, unless your whole route home is up a steep hill. If the low ‘L’ end-stop screw (A) will reach far enough, you can use it to set the derailleur position so that the chain runs in the middle ring. Reach in behind the chainset and lift the chain from the smallest chainring so that it sits on the middle chainring. Pull the front derailleur cage outward…

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