Product Description
Onyx SS specific Rear cog. The only cog that works with the Onyx SS Rear hub. Available in 14T, 15T, 16T, 17T, 18T & 19T.
Onyx SS specific Rear cog. The only cog that works with the Onyx SS Rear hub. Available in 14T, 15T, 16T, 17T, 18T & 19T.
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