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  1. cogs ISO COG 21T

    Price  12.00€

    We produced this cog some years ago and is been re-stoked recently by popular demand.
    ISO COG, so it can be used on iso hole of the mtb hubs to make a fixed gear bike or to be built on our special shimano carrier to create a super strong single speed cog that will prevent chain failures.
    to be used with 3/32" chains or 1/8".

    cog only. no carrier included
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