You should be able to get them from any LBS. MY distiibutor still offers 9.0mm (most French and Italian bicycles) and 9.5mm (most Japanese and English bicycles). However, I don't have access to the 8.5mm cotters (some Italian and Mexican bicycles). Of course, you can always drill the crankarms to a larger size. Also, they are now 50 cents each, as opposed to a handful.