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If you want to keep your cycle functional, it is much needed to maintain cranks properly. Only through the assistance of right tools, you can successfully do so. “Hey, are you thinking about how to remove bicycle crank bearings?
Actually, it’s a very simple task with easy instruction. If you have a little technical knowledge, you can easily understand it. “I know you are prudent enough to do that.”
There are so many systems available with different connection mechanism. In this article, I will have a discussion about the total process of the removal of this part from a bike. Let’s proceed on the steps.
Types of Crank system
Before you learn to remove bicycle crank bearings easily, First of all, you have to detect your crank system. Usually, it connects the pedals with the spindle. It is well-fitted with the chain rings.
Now a day, these are becoming more complicated to identify. If you have confusion about the type of it, you can kick out that by reading this portion of the article.
In this mechanism, the puller is ultimately established in to it. Threaded rings are being used in it. Ultimately it looks like a dust cap. The crank bolt is connected with the rings and that’s how it functions smoothly.
You may ask me how? Well, while you start loosening the bolts, they begin pressing back against it. That ends up resulting in pushing the arm.
Eventually, it frees you from using additional removal equipment’s.
Two piece compression slotted system
In Shimano crank sets, you are likely to find it. The compression slot has a link with the left arm of it. This mechanism is precisely secured with effective pinch bolts.
On the contrary, the right crank arm is being accomplished with a spindle.
Three piece cranks
Already you have assumed about it by reading the name. This system has three parts and they are right arm, left arm,and axle spindles. The bearings hold the spindle and place it in a right position.
Remember that both tool removal is necessary when you are about to service it. Naturally, it has two interfaces.
In every BMX bikes, this unique crank sets are being used widely. Here, it efficiently makes the best use of 48 spline spindles. The repairing service method is a little bit different compared to others.
Step by Step Instructions to Take Apart the Cranks Bearings
No doubt that this is a useful part of your bike and that should be maintained rightfully. First of all, you need to gather necessary tools to do this task. Following are the tips to remove bicycle crank bearings.
Remove the cap
There could be a cap attached on the crank. It may be made of plastic or metal. However, this crucial component efficiently fits it tightly over the bolt. Now how to do it?
Take a screwdriver and fit it below the terminal of the cap. Use it to pop it out to leave from the fitting position. That’s how the bolt will get revealed.
Loosen the pinch bolts properly
You will find this mechanical item on the center part of the crank. In fact, it looks similar as hexagon.In some of the item, you may find pinch bolts. If you have it then you should loosen it. The best way to do it is to use a 5mm Allen key.
Hence, insert this tool in to the immediate holes surrounding the arm. Just rotate it as anti-clockwise. If you can complete it successfully, it helps to remove it smoothly.
Make a good join of hex key maintaining the proper size
At this section of the article, you need a right size of hex key. “Yes, this is very much important to do”. Read the instruction properly from the bike company website.
This will assist you precisely to find out the genuine thing. Once, you find it; pass it on the ultimate pick of the torque wrench. For your kind information, you can buy it from the nearby bike shop or from online marketplace.
Again, in some hardware stores, you can have it. Mostly, you should buy this tool of 4-8 mm size as it is perfect size.
Use the hex key by passing it in to the crank bolt
Now, you must turn this handle by rotating it anticlockwise. Unfix the crank bolt by doing it. Later, remove the hex key from that part.
Next, you will have to unscrew the bolt. Use a hex wrench to do it. Some bike cranks might have bolts on the both side. At that case, repeat the process to complete it on the other part.
Sliding the Crank
On this part of the article, you will have to pull the arm of it when you complete loosening the bolts successfully. Doing so will thoroughly detach the whole crank from the set tp.
Next, slide it carefully associated with the bottom bracket. Make sure you are sliding the rubber washers off. It is important to do to replace a new one.
Additionally, you don’t require any extractor equipment for non-extracting mechanism. However, when it contains a crank bolt, you can use self-extracting system for the job.
Use an extractor when needed
You can buy it from nearby bike store. Pass it through the hole of the bolt. Then rotate it counterclockwise. Screw it to fit it tightly. Later, again revolve the extractor handle on the similar direction.
Next, do it on the another part of the crank following the same way. This is the simple and effective way of how to remove bicycle crank bearings.
Finally, we have smoothly reached on the ending part of the article. Hopefully, this useful method about how to remove bicycle crank bearings will bring plenty of benefits for you.
Moreover, you can handle bike maintenance single handedly when needed. Thanks for being with us.