Are your rear gears unstable, or have you just installed your new derailleur? It's time to adjust it! Here's a video to help you perform this tricky operation on your mountain bike.
- Time : 20 min
- Level : Medium
- Tools : Allen key set | Flat-nose pliers | Phillips screwdriver
Steps
- Position chain on smallest sprocket, then release derailleur cable.
- Adjust the low stop (High) so that the alignment a between the derailleur pulley and the outer surface of the smallest sprocket.
- Operate the derailleur by hand to set the derailleur's low stop in line with the largest sprocket.
- Screw the tensioning knob on the shifter all the way in, then unscrew it by 2 turns.
- Replace the derailleur cable in the housing, tensioning it slightly with the flat pliers.
- Place the transmission on the smallest chainring and the largest sprocket.
- Set the gearscrew to the distance between sprocket and derailleur pulley recommended by the manufacturer (usually 5 or 6 mm).
- Scan all gears to ensure smooth shifting.
- Finalize the adjustment with the tensioning wheel on the gearshift until you obtain the best possible shifting smoothness.
Probikeshop tip: to facilitate final adjustment, lubricate your mountain bike transmission.
Your MTB rear derailleur rear derailleur is now set. After your first ride, you may need to adjust it using the knob.
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