This is how to overhaul the bottom bracket on an older style of bike before they started using sealed bearings. I show you how to remove and install new bearings as well as how to clean all the parts. This bike is a 1984 Schwinn LeTour Luxe, but most vintage bikes are similar. They might require slightly different tools. The fixed cup on the chain ring side on this bike has left handed threads. This is the most common. But be aware that Italian and French made bikes might have right hand threaded cups on the drive side.
The spindle on this bike has nuts that press and hold the cranks arm on. Some bottom brackets have bolts. It’s a minor difference though. The process is the same.
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I lost the key socket, and had to change the tires over to winters as soon as possible, so I didn’t have time to order a replacement key. This method produces minimal damage to the nut itself, and once I do find the key, they will work like new again. I used a 3/4″ 12-point 1/2″Dr. socket for this demonstration. The socket does show some damage, but if you use the right size for your nuts, you should still be able be use the socket. You really shouldn’t be using 12-point sockets for normal use anyway; they tend to round off and strip nuts.
***This video is for demonstration purposes only, and the procedures depicted are not meant to be imitated under any circumstances for any reason. In no event will I be held responsible or liable in any way shape or form for your actions directly or indirectly relating to this video and its contents.
In other words; use only on your own tires or tires you have express permission from the owner of the car to take off.
Don’t steal!