Pad the tool with the jaws of your large adjustable wrench or an old bearing cup so the the mallet will not strike the end of the axle. Drive side right side cup direction. For more on thread preparation see Basic Thread Concepts. If you use a cartridge which is too narrow for the bottom-bracket shell,, the mounting rings may go in too far and run up onto partially-cut threads inside the bottom-bracket shell. See our article about Raleigh compatibility for details. Usually, this is the screw that holds a cable guide in place under the bottom bracket, so remove that.
Reply With Quote 14 jcaino mtbr member Reputation: In the image below, two bolts of the same diameter are magnified using an optical comparator. The Thompson bottom bracket uses adjustable spindle cones and cups pressed into the bottom bracket shell like the Ashtabula bottom bracket. The pitch diameter is the diameter of the thread at a point where the width across the thread and the width across the groove between threads, are equal. Reply With Quote 28 agabriel mtbr member Reputation: Find More Posts by San Rensho. Join Date May Posts 2, I would use a graphite based anti seize.
Bottom bracket threads - grease or anti-seize?- SVENSKAPORRFILMER.ORG
I'd use loctite, myself. Reply With Quote 14 jcaino mtbr member Reputation: There are several variations on the cartridge bottom bracket system. A little goes a long way. Originally Posted by eric
Bottom Bracket Service: Cartridge Type
Description: No dudes, no temas, no te arrepientas. Originally Posted by SteveV Most screw threads used on a bicycle use a degree thread angle. The bearings are normally open to the elements and easily contaminated, although this rarely causes failure. Using thread locker - makes sense if you have an Italian threaded BB, but otherwise not needed, best avoided.