Bicycle parts: maintenance, wear, and replacement guidelines

October 30, 2025

Caring for your bike makes it safer, lasts longer, and works better. Know how to fix your bike, when to buy a new one, and what bicycle parts do. You can learn everything about bike parts in this book. You can learn how to maintain them and replace them when they break. You'll know when to buy and repair. We'll discuss everything, including fixing broken things. These bike riding tips will improve your safety on trails and roads. They'll also protect and prolong your bike. This book will help you maintain your bike regardless of how often you ride or care about it.

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How to maintain your bike's vital parts

Rib and Joint Care

Bike frames and forks shape and hold it together. To keep your bike safe and durable, check and repair these parts. Before continuing, inspect the frame and fork for rust, cracks, and dents. Water and mild soap usually clean these spots. Dirty areas should be cleaned. Polish or wax non-rusting metal frames to maintain the finish. Check for loose joints or welds. First diagnose your car, then call a plumber. Your frame and fork will last longer if you maintain them. It will be safer and more fun.

Oil and clean the gears and seals.

The bike's most important part is this. There are chains, cassettes, derailleurs, and chainrings on it. You should take good care of these bicycle parts to make sure the power flow and transmission work well. Every once in a while, clean your chain with a degreaser and a clean chain tool. The gunk made of dirt and old oil will be gone after this. After you clean your bike chain, make sure it's well oiled. It will get dirty before you get rid of the rest. Make sure the cassette and chainrings are clean before you look for teeth that are broken or worn. Make sure the derailleurs are where they should be and fix them if they aren't. Clean the back wheels of your bike all the time. It might be tougher to move if the surface is scratched. If you take good care of it, this will make your rides more fun and last longer.

Clean and repair brakes

Check and fix your bike's brakes often for safety and performance. Always check and adjust your rim or disc brakes. Check your wheel brake pads for wear. New pads are needed when grooves disappear. Keep the wheel brake pad clean to stop quickly. Make sure your disc brake rotors are clean and intact. Cleaning disc brakes requires a special cleaner. If bleeding hydraulic brakes, check fluid levels. Grease and clean brake cables before each use. Check for rust and fraying. Care for your brakes to extend their lifespan. Use this to stay safe on the road or path.

Different ways to find old or broken bike parts

Where on the CD to Put the Chain and Words

These bike parts are likely to break. How much damage did the chain do? You can measure its length or use a tool that finds worn chains. You should get a new chain if it's longer than 0.75% from when it was first made. You should get a new chain when the old one breaks. Other parts of the drivetrain will break down faster if you don't do this. Check the tape for teeth that look like shark fins or hooks. It's clear that these teeth are broken. If that doesn't work, change the chain. It's possible that we need a fresh tape. You'll save a lot of money in the long run if you check these bicycle parts often.

Check the tyres and wheels for signs of wear.

Your bike needs new wheels and tyres. They'll work better and get you where you need to go faster. When the tread is worn down, the sidewalls are cracked, the tyre bulges, or it has other bumps on it, most tyres are deemed worn out. A lot of tyres have lights that let you know when they need to be changed. Your tyres might not last as long or work as well if they don't have enough air in them. Pay attention to how much air is in your tyres. Look for dents or cracks in the wheel rims. The brake pads are too worn out for these reasons. Make sure the wheel is straight and the spokes are tight by spinning it a few times. Fix your wheels and tyres right away if they are broken in any way. They'll be okay. Metal is used to make the hubs and axles. Make sure they are level and can spin without any problems.

It says that over time, bearings and pivot points can become weak.

The pedals, headset, and front and back hubs on your bike are all very important parts. These parts are very important to the machine, so check them often. While you put on the front brake, rock the bike. This means that the headset is broken or not tight enough. Watch how the crankset or swing arm moves. The hub bearings shouldn't move up and down or side to side as they spin. They need to be stable and able to turn. Take these parts apart, clean them, and grease them again if they're giving you trouble. Sometimes changing the wheels is enough. These bike parts will last longer and work better if you take good care of them. The bike will last longer this way.

Things you should keep in mind when you need to change bike parts

When do you need a new truck?

To keep your bike running well, know when to get new drivetrain parts. The chain breaks first, and it needs to be replaced when it shrinks by 0.75%, as was already said. Get a new chain when the time comes. A worn one makes the cassette and chainring wear out faster. If you still can't skip or shift without the chain, you should get a new disk. See those teeth on the shark's fin? The chain won't move without a new chainring. Many of them last longer. You might need to get a new one if the old one is broken or the axles aren't tight. Every so often, make sure these bicycle parts are in good shape and get new ones.

Tips on How to Change the Brake Pads

To stay safe, you should know when to get new brake parts. You have to either cut out the grooves or wear them down to the wear line in order to get new brake pads. If your disc brakes are thin, bent, or scratched very deeply, you should get new ones. People whose housing is worn out, broken, or rusty need new brake cables. You should change your brake fluid every year to two years, or as long as the maker says. Something might be wrong if the brakes don't work right or the levers feel too soft. You may need a system bleed or a new part. To keep trails and roads safe, brake parts should be serviced and replaced often.

Things to think about when you need to change the frame and fork

Frames and forks need to be changed every so often. Check your frame and fork for cracks, rust, and other damage often. Pay attention to the places that get stressed when you weld joints. If you see any marks or flaws that don't seem right, you should talk to a professional. Carbon frames need extra care because damage might not show up right away. If the bike is really broken, pros should check the frame and fork. You might want to find a frame with better geometry or features as your bike gets better. Replace these important bike parts with ones that work with the ones you already have and fit. When you change the frame, you might want to get bottom brackets and headsets made of metal.

Conclusion

Your bike will be safe, work well, and last a long time if you fix up old bicycle parts. It shouldn't cost a lot of money to fix things. These tips will help parts last longer and make riding better, so you won't have to do any of that. Always keep your bike in good shape and fix any problems right away. If you're not sure, ask a professional. Your bike will last a long time if you take good care of it. They're good for both roads and trails.

Don't forget about Junsion Hardware Co., Ltd. In the city of Dongguan. Get help from a pro and buy good bike parts. We have skilled workers and state-of-the-art facilities, so the bicycle parts we make meet high standards. This is where you can buy frames, forks, cranksets, brakes, and other things. You can talk about what you need or find out more by emailing Lock@junsion.com.cn.

FAQ

How often should I grease and clean my bike chain?

Clean and grease your chain every 100 to 150 miles or after riding in the rain or mud.

When should I get new bike tyres?

Tires with cracks in the sidewalls, little tread, and lots of holes are all worn.

How long does the frame of a bike last?

Bicycle frames can last between 10 and 20 years or even longer if they are taken care of. It depends on how they are used and what they are made of.

When should I get new brakes?

It's time for new ones when the grooves are gone, or the pads are worn all the way to the wear line.

How often should I fix my bike a year?

If you drive 2,000 to 3,000 miles a year, you should have your car tuned up.

References

1. Brown, S. (2020). Zinn & the Art of Road Bike Maintenance: The World's Best-Selling Bicycle Repair and Maintenance Guide. VeloPress.

2. Downs, T. (2018). Bicycle Maintenance & Repair for Road & Mountain Bikes. Rodale Books.

3. Coello, C. (2019). The Bicycling Guide to Complete Bicycle Maintenance & Repair: For Road & Mountain Bikes. Rodale Books.

4. Zinn, L. (2021). Zinn & the Art of Mountain Bike Maintenance: The World's Best-Selling Guide to Mountain Bike Repair. VeloPress.

5. Schubert, M. (2017). Bike Repair and Maintenance For Dummies. For Dummies.

6. Milson, F. (2019). Bike Book: Complete Bicycle Maintenance. Haynes Publishing Group.

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