Bicycle crank removal

This article will assist in identifying the crank system found on your bike, and direct you to the article that outlines the full process of removal and installation, bicycle crank removal. Cranks are levers that connect the pedals to the bottom bracket spindle.

Changing chainsets is not something cyclists have to do very often, but it's a simple enough job to learn to do at home, and it doesn't require any really expensive tools. In this video Ollie runs through removing and reinstalling cranks to your bike so you can change your chainset with ease! Did you find this video helpful? What maintenance videos would you like us to make in the future? If you enjoyed this video, make sure to give it a thumbs up and share it with your friends.

Bicycle crank removal

Last Updated: December 6, Fact Checked. This article was co-authored by Ikaika Cox. He has been a bike mechanic since , beginning as a volunteer with the Provo Bicycle Collective, and growing and honing his skills as a bicycle mechanic and educator in multiple Bicycle Collective locations over the years. There are 10 references cited in this article, which can be found at the bottom of the page. This article has been fact-checked, ensuring the accuracy of any cited facts and confirming the authority of its sources. This article has been viewed , times. A bike's cranks must be properly maintained to keep your bike operational. These are the arms connected to the Bottom Bracket consisting of axle, bearings, etc. If you need to change your cranks, you can do so as long as you have the proper tools. You can use this process to replace Shimano two-piece, SRAM self-extracting two-piece, and three-piece cranks. The first thing you'll need to do is remove the bike pedals using the wrench. Once the pedals are off, you can unscrew the bolts in the middle of the sprocket and take the cranks off.

Loosen the pinch bolts with an Allen key, if the crank has them. Popular Categories. Which website would you like to use?

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This article will assist in identifying the crank system found on your bike, and direct you to the article that outlines the full process of removal and installation. Cranks are levers that connect the pedals to the bottom bracket spindle. The cranks are fitted with toothed sprockets called chainrings that drive the chain. Cranks may be removed to replace cranks or chainrings, service the bottom bracket bearings, or to clean the chainrings. Crank systems have become more complex in recent years.

Bicycle crank removal

Removing the crank is a necessary task when performing routine maintenance on your bike or upgrading parts. Once you have these tools ready, you can begin the process of removing your bicycle crank. Follow the steps carefully to ensure a seamless removal process and to avoid any damage to your bike. Make sure to invest in a high-quality tool, as proper tool maintenance is crucial for optimal performance. With the right tools and proper attention to detail, removing your bicycle crank will be a straightforward process. Before getting started, make sure your bike is ready to have its crank taken off by giving it a thorough inspection. This is important to ensure that the process goes smoothly and there are no issues or damages to the bike.

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Go over to the other side of the bike and repeat the process. The parts of the three-piece crankset are the left arm, right arm, and axle spindle. Back To Top. These are the arms connected to the Bottom Bracket consisting of axle, bearings, etc. Crank Removal and Installation: One-Piece. Once you've removed the cranks, all you'll have to do is attach the new cranks and put the pedals back on. Remove the cap from the center of the crank, if it has one. It may take full rotations of the crank to remove the pedal. Three piece cranksets generally have one of two interfaces: square spindle arms or splined spindle arms. Some cranks will have a metal or plastic cap that fits over the bolt on the crank. The left side crank is removed to get to the bearings or to remove the right crank. On self-extracting crank systems, the crank puller is effectively built into the crank. Turn the handle of the Allen key counterclockwise to loosen the crank bolt.

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One piece of steel forms the crank arms and goes from the pedal, through the bottom bracket, to the other pedal. These systems use external bearing cups and do not need a conventional crank puller. We're glad this was helpful. Slide the crank off the spindle if you have self-extracting cranks. However, these crank retaining rings are threaded over the crank bolt, so that when the crank bolt is loosened the shoulder of the bolt presses back against the ring, which in turn slowly pushes the arm from the spindle. Part 2. Crank Removal and Installation: One-Piece. Trending Articles How to. Clock 2 days ago. The process of servicing these cranksets is slightly different than standard three-piece cranksets. Tech How to Shimano Retro Drivetrain. The parts of the three-piece crankset are the left arm, right arm, and axle spindle.