![]() Once the metal starts to deform, it only becomes easier to bend it even further. But that only happens if you're not remotely careful. With the Bikesmith press, it is possible to squash the threaded part of the cotter pin down without the pin actually coming out, so much so that it will fill the hole in the crank and make drilling necessary. The benefit of this press was that it couldn't exert enough force to damage a stuck pin right away, so I was able to tell I had to give it a good soaking of WD-40 before proceeding further. The threads were more course so much more effort was needed. ![]() Pictured above is my attempt at removing a cotter pin using the bad cotter press. But if you have an 8" or greater adjustable wrench, it should be fine. I forgot to add an adjustable wrench for the cotter press and nuts but if you want specifics, the Bikesmith press takes a 3/4" wrench, the fixed cup removal tool takes a 19mm wrench, and Raleigh cotter pin nuts fit a 7/16" wrench although newer replacement pins will often come with 10 mm nuts. if you only ever plan on servicing one bike, the hammer-and-pipe method outlined in Brown's article and further down here would be the way to go. If the press is not a viable investment for you, i.e. Occasionally you can find Park Tool or Var presses, but the Bikesmith one is by far the best thing you can buy new and in my opinion, the only one worth buying. This is just a beefed up C-clamp, but the threads are finer and it fits perfectly over the crank. Removal of the fixed cup is not 100% necessary for an overhaul, but I would recommend it. This is the one with the screw and the square nut. Bikesmith Design fixed cup removal tool. You might not reeeeally need it, but it certainly makes removal of the adjustable cup much easier. A Park Tool bottom bracket spanner (the flat one). A traditional metal hammer may cause the spanner tooth to dent the groove in the lock ring. ![]() A 55-62 mm C-spanner to unscrew the left side lock ring, and a mallet to go with it.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |