

This single speed cog works on Shimano splined hub and compatible with all 6, 7, 8 and 9-speed chains. In essence, you would remove your cassette and install this cog with a spacer kit. Spacers would be position properly on each side of cog to adjust chainline. Simple and easy way to convert your existing Shimano hub to a single speed. Cassette spacers not included
Features
Excel Sports accepts Money Orders, Personal Checks and the following credit cards for payment of orders:
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