Join Date: Dec 2005
Location: Long Island, NY
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You can treat the freewheel as a disposable object and leave it alone, or spray some WD-40 or other water repellent in there...the sand will probably eventually work its way out.
My strategy with cheap freewheels is mostly just to leave them alone...they do tend to develop a gritty noise after riding in slop, but if you just leave it alone and don't muck it up with lube, the sand eventually falls out. The bearings inside freewheels only move when you are coasting. As a result they don't rotate under huge loads that other bearings are exposed to so they don't tend to wear as rapidly. I have been using the same cheap ACS, Shimano, and Dicta freewheels for years and have yet to have a malfunction.
Last edited by mihlbach; 08-14-08 at 09:18 AM.