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Any ideas?
Rust is fatter than steel, so stuff expands when it corrodes, enough to close up the clearance between close fitted parts.
One of the main #tester_approved features of the 1Z1, after the smoothness, corrosion resistance and bushings, is the price, currently £8.50 which allows you to replace it at appropriate intervals without undue wallet distress.
gbj_tester
@Murphy's_Law
I have a little bit of a riddle on my hands.
So I finally got around to cleaning and repairing my fixed commuter and it went from "gates of mordor" drivetrain to sweet blissfull silence.
One odd thing occurred though: As I took off the chain it appeared to be completeley seized. Every link was only movable with some force.
Upon inspection it seemed as if the narrow links of the chain got somehow widened up and mashed against the outer plates, thus seizing the chain. I then took a pair of needlenose pliers and applied some force to the narrow links, which effectively unseized the whole chain. Quite an ordeal though.
Since this was a @mdcc_tester approved Wipperman 1Z1 chain, I do not expect to be suffering fiery deaths for my impromptu modification, but still I wonder what may have caused this?
Chainline issues perhaps? I have noticed the chainring is not perfectly true, but the crank is a SRAM s300 and the rear is a novatec track hub, so the chainline is not really adjustable. Also this is the first time this has happened on the bike. It went through some different chains and two different chainrings in the time.
Any ideas?