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@tynan
The gold 710 and the gold EAI cog are not for looks !
The gold is a titanium-nitride coating, it is many many times harder than steel, my chain and cog were virtually brand new after a year of spinning (got pictures somewhere on this forum, might try and dig them up for you).
Not only will your parts not wear out as fast but the drive chain will be smoother for longer - and smoother makes for silence.