Join Date: Dec 2005
Location: Long Island, NY
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accidentally overhauled my BMX freewheel
I have an ACS claws BMX freewheel on the flop side of my SSMTB hub. I never realized it before, but the guts of it are held together by a lockring (looks sort of like a BB lockring but with a smaller diameter). The lockring came off during a ride (it was on the flop side and not being used), but fortunately the dropout of my frame sort of held it in place, so no junk fell out. I was able to remove all the bearings, springs, and pawls and clean and lube the whole thing, without even having to remove the center part of it (the part that actually screws on the hub). Cool! I had it out this morning in the snow, and now it clicks like a new freewheel. I never even realized that you could take apart a SS freewheel but ACS freewheels are completely overhaulable. The suntour freewheel on the other side of my hub doesn't look like it can be taken apart.
Note: the lockring has two little holes in it and can be removed with a BB tool.
Last edited by mihlbach; 01-25-07 at 10:57 AM.