1/3/2024 0 Comments Trek stache 5 bottom bracketThe bottom bracket bearings are components on your road bike or mountain bike that wear out. The spindle is attached to one or both crank arms. Most modern bicycles come with the bottom bracket bearings fitted inside or on the sides of the bottom bracket shell. This is something you no longer see with modern bikes. The bearings and spindle were all a single component. The bottom bracket bearings used to be a single cartridge. Overview of bottom bracket shell, bottom bracket bearings and crankarms. The crank spindle connects the two crank arms and runs through the bottom bracket bearings, which are placed into the bottom bracket shell. Whenever we talk about replacing your bottom bracket, we’re referring to the actual bearings that go into the frame. The bottom bracket bearings are sometimes referred to as just the bottom bracket as well. How can you even tell what bearings and bottom bracket shell your frame has? This extensive how-to explains exactly what you need to do in order to service and replace your bottom bracket bearings yourself. All the different standard dimensions can make it hard to determine what kind of bottom bracket shell your frame has and what bottom bracket bearings you need. The bottom bracket and spindle together form the foundation of the drivetrain on your road bike or mountain bike. Or just plain r/bicycling, which also has links to more subs.The bottom bracket shell of a bicycle is the part of the frame where the spindle of the cranks go through. R/JustRidingAlong "Pictures and stories of some of the most egregious user-error and bad luck damage on bicycles." R/BikeMechanics Discussions among bike mechanics, professionals and advanced amateurs. Outlets for posts that don't belong here: R/Vintage_bicycles/ for pre-1986 bicycles. R/Bikebuilding for discussing and showing off bikes built up from a frame. R/wheelbuild and r/Framebuilding for construction of those components. R/bicycleengineering: bicycle technology from an engineering perspective. A comment with an overview and links to more information. Park Tools' Repair Help including illustrated text and video guides to service procedures.Ĭold Setting Steel Frames: adjusting the dropout spacing on a old frame to fit a more modern drivetrain. A comprehensive resource with answers to common and obscure questions, data tables, etc., including a glossary which also serves as an index. Stay on topic / No jokes, especially not false answers as jokes. Tag helpful commenters if you want them to receive a notification. Please use the weekly thread for post follow ups and acknowledgments. They should have the equipment and expertise to inspect it properly. If it's carbon, a specialist repair shop may be required. Take it to your Local Bike Shop and ask them. We probably can't tell from a picture just what condition your bike is in. "Is this cracked / safe to ride?" - If you have to ask, don't ride it. If you just want to post a picture, this isn't the place for it. You can also consult our FAQ or the list of people willing to help locally. It really, really helps if you can provide pictures and/or video. Post your problems, and we will try to get your bike rolling again. It really helps if you can provide pictures and/or video.Ī community of cyclists - some with questions, some answers Post questions to get help. A forum for folks with questions about bicycle repair.
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