Are your bike gears clicking or skipping? Not sure how to fix shifting problems?
This practical guide explains how to adjust your bike gears for smooth and reliable shifting—perfect for beginners and weekend riders.
Why Do My Bike Gears Not Shift Properly?
If your gears hesitate, skip, or make noise, it’s usually due to:
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Poor cable tension
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Dirty or worn components
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Misaligned derailleurs
Why Gear Adjustment Matters
A well-adjusted drivetrain gives you:
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Smooth gear changes
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Better power transfer
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Fewer mechanical issues on the road or trail
Step 1: Check the Condition of Your Drivetrain
How do I know if my derailleur is damaged?
Look for signs like:
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Bent derailleur hanger
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Rusty or frayed cables
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Loose bolts or cracked parts
Make sure everything is clean, tight, and in good condition before you adjust anything.
Step 2: Set the High and Low Limit Screws
What do the H and L screws do?
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The H screw controls the outer limit (smallest cog)
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The L screw controls the inner limit (largest cog)
Correctly setting these ensures the derailleur doesn't push the chain off the cassette.
Step 3: Adjust the Rear Derailleur Cable Tension
How do I fix gears that won’t shift up or down?
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If your chain struggles to shift up to a larger cog: Tighten the cable (turn barrel adjuster counterclockwise)
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If it struggles to shift down to a smaller cog: Loosen the cable (turn clockwise)
Step 4: Adjust the Front Derailleur (if applicable)
Why won’t my front derailleur shift the chain properly?
Misalignment or incorrect limit screw settings can prevent the front derailleur from moving the chain smoothly between chainrings. Use the L and H screws to fine-tune clearance.
Step 5: Test the Gear Shifting
Run through all gears while pedaling:
What should I look for when testing gear shifts?
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No hesitation or delay when shifting
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No chain rubbing against the derailleur cage
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No skipping under pressure
Extra Troubleshooting Tips
Why do my gears skip under load?
Likely causes:
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Worn chain or cassette
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Stretched cables
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Improper indexing
How often should I adjust my gears?
Check them monthly or anytime you feel shifting isn’t smooth—especially after transport or a fall.
Still Having Problems?
When should I visit a bike shop for help?
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If you’ve tried adjusting but still have issues
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If your derailleur hanger is visibly bent
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If your drivetrain has excessive wear
Get Expert Help in Jávea
At Elite Bikes Shop, we offer full gear tuning and drivetrain service. Whether you're riding road, mountain, or e-bikes, we’ll make sure your shifting is smooth and reliable. Visit us on Avenida de la Fontana or book a tune-up online.
Bonus: Frequently Asked Questions (FAQs)
Q: How long does it take to adjust bike gears?
A: About 20–30 minutes if you have the right tools.
Q: Can I ride with bad gear shifting?
A: It's not recommended. Poor shifting can cause drivetrain damage or even accidents.
Q: Do I need to replace cables often?
A: Yes—about once a year for regular riders, or sooner if you ride in wet or dusty conditions.
