Rennen Alloy Cog 15T Black

Availability: In stock

- Rennen Single Speed Cogs are precision machined from aircraft quality 7075-T6 Aluminum ( 83% stronger than 6061) and polished to a beautiful luster, offering the highest performance at the right price. Rennen Cogs are 3/16" thick at the Spline interface assuring that you won't damage your precious hubs. Only Rennen Cogs offer a single speed specific tooth profile which have been designed to extend tooth life. At 0.6oz (17 grams, 16T) this makes Rennen Cogs one of the lightest on the market

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