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Depends on what's wrong. Basically there are two choices: # the travel limit screws are incorrectly set # the shifter cable length is incorrectly set Check out www.parktool.com, www.bicycletutor.com or www.sheldonbrown.com for a detailed walk-through of how to fix it.

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16y ago

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How can I adjust a mountain bike derailleur?

To adjust a mountain bike derailleur, start by shifting the chain to the smallest rear cog and loosening the cable tension. Then, adjust the high and low limit screws to align the derailleur with the smallest and largest cogs. Finally, fine-tune the cable tension to ensure smooth shifting.


How do you properly adjust a Shimano derailleur on a bicycle?

To properly adjust a Shimano derailleur on a bicycle, start by shifting the chain to the smallest rear cog and the smallest front chainring. Then, adjust the high limit screw to align the derailleur with the smallest cog. Next, shift to the largest rear cog and largest front chainring, and adjust the low limit screw to align the derailleur with the largest cog. Finally, fine-tune the indexing by adjusting the barrel adjuster to ensure smooth shifting between gears.


How do you adjust the derailleur on a mountain bike?

To adjust the derailleur on a mountain bike, start by shifting the chain to the smallest rear cog and the smallest front chainring. Then, use the barrel adjuster to fine-tune the shifting. If the chain is not shifting smoothly, adjust the limit screws to align the derailleur with the chain. Finally, test the gears to ensure smooth shifting.


How to adjust the derailleur on a mountain bike for optimal performance?

To adjust the derailleur on a mountain bike for optimal performance, start by shifting the chain to the smallest rear cog and the smallest front chainring. Then, adjust the high limit screw to align the derailleur with the smallest cog. Next, shift to the largest rear cog and the largest front chainring, and adjust the low limit screw to align the derailleur with the largest cog. Finally, fine-tune the indexing by adjusting the barrel adjuster until the shifting is smooth and precise.


Why is my rear derailleur not shifting to the highest gear?

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How can I fix a bicycle chain derailleur issue?

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To adjust a Shimano rear derailleur for optimal performance, start by ensuring the derailleur hanger is straight. Then, adjust the high and low limit screws to align the derailleur with the smallest and largest cogs. Next, adjust the cable tension using the barrel adjuster until the shifting is smooth and precise. Finally, test the gears and make fine adjustments as needed.


How can I adjust a Shimano rear derailleur for optimal performance?

To adjust a Shimano rear derailleur for optimal performance, start by ensuring the derailleur hanger is straight. Then, adjust the high and low limit screws to align the derailleur with the smallest and largest cogs. Next, adjust the cable tension using the barrel adjuster to fine-tune shifting. Test the gears and make small adjustments as needed until the shifting is smooth and precise.


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How can I properly adjust the rear derailleur on my mountain bike for optimal performance?

To properly adjust the rear derailleur on your mountain bike for optimal performance, follow these steps: Begin by shifting the chain onto the smallest rear cog and the smallest front chainring. Use the barrel adjuster on the derailleur to fine-tune the shifting. Turn it clockwise to move the derailleur towards the larger cogs and counterclockwise to move it towards the smaller cogs. Check the alignment of the derailleur hanger to ensure it is straight. If not, adjust it using a derailleur hanger alignment tool. Adjust the high and low limit screws on the derailleur to prevent the chain from falling off the cogs. Test the shifting by riding the bike and making any necessary adjustments to ensure smooth and precise shifting. By following these steps, you can properly adjust the rear derailleur on your mountain bike for optimal performance.


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