Are the old style bend over lock washers really needed on the brake discs and rear sprocket or can threadlock be used?
Also the 33 tooth rear sprocket on my 75 isn't noticeably worn but is corroded, can I get away with just replacing it without a new front and chain?
Also the 33 tooth rear sprocket on my 75 isn't noticeably worn but is corroded, can I get away with just replacing it without a new front and chain?