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How to fix a bicycle chain

Posted on: January 16th 2024

A broken chain can stop a bike ride faster than a puncture. But, like changing a flat tire, knowing how to fix a bicycle chain is an essential skill for any cyclist. At Ciclos Corredor, we understand the importance of effective maintenance and want to guide you through the chain repair process so you can get back on the road quickly and with confidence.

Why Does a Chain Break?

Bicycle chains can break for a variety of reasons: improper maintenance, shifting gears under load, or simply normal wear and tear. Sometimes a link gets bent or a pin comes loose, and that's enough to stop your progress.

Tools needed

Before dealing with a broken chain, make sure you have the necessary tools:

• Chain breaker or quick link (also known as "missing link" or "power link").


• A spare link or complete chain, if necessary.


• Work gloves to keep your hands clean (optional).


• A cloth to clean the chain.


 

Steps to Fix a Broken Chain

• Locate the Damage: First, evaluate the chain damage. Find the broken link and determine if it can be repaired or if you need to replace a segment of the chain.

• Remove the Damaged Link: Use the chain breaker to remove the damaged link. Be sure to properly align the chain breaker pin with the chain pin before applying pressure.

• Insert Replacement Link: If it is just a damaged link, you can use a quick link to join the loose ends. If you need to replace a segment, make sure the length is correct to maintain proper tension.

• Join the Chain: With the quick link, join both ends of the chain. Make sure the closure clicks into place and is secure before moving forward.

• Check the Chain: Turn the pedals by hand to make sure the chain passes smoothly through the gears and derailleur. Check that there are no hard links or that the chain is not twisted.

Maintenance Tips to Prevent Chain Breakage

 • Regular Cleaning: Keep your chain clean to prevent dirt buildup that can cause wear.

• Lubrication: Apply appropriate chain lubricant after each cleaning to reduce friction.

• Wear Check: Use a tool to measure chain wear and replace it before it reaches a critical level.

• Smooth Gear Shifting: Avoid sudden gear changes, especially under load, as this can increase stress on the chain and cause damage.

Conclusion

The chain is the heart of your bike's drivetrain and deserves attention and care. Learning how to fix a broken chain will make you more self-sufficient and give you greater confidence in your outings. Remember that at Ciclos Corredor we are here to support you with tools, spare parts and the best advice so that you are always ready to ride. Don't let a broken chain stop your adventure; With these skills, you will be prepared to face and overcome any mechanical setback.