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Introduction |
| '''What’s a Derailleur?''' | | | The derailleur is your bike’s gear shifting device. When you adjust the shifter on your handlebars, the derailleur pushes your bike chain to the next gear over, and then adjusts the length of the chain to accommodate the change in gear size. | | | In steps 2 and 3, we adjust the high and low end adjustment stops, which set the maximum inward and outward distance that the derailleur can move the bike chain. Setting these boundaries prevents the derailleur from shifting the chain off of the sprockets and onto the axle. | | | By putting the shifter in the highest gear in step 4, the cable is let out as far as possible when we clamp down on it. This ensures that all slack is removed from the line. |
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