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diameter fits regular 7/8" bars (standard for BMX bars)
COMPRESSION BOLT: Updated 7075-T6 pre-load bolt
and park use
silent engagement and is nearly frictionless
Rennen Aluminum Cassette Cog alienation diameter fits regular 7/8" barsRennen Aluminum Cassette Cog are manufactured with 7075 T6 Aluminum, stronger than the industry usual of 6061 Aluminum. Measuring in at only 3 16" so it won't rub your hubs, Rennen Cogs are also the one of the lightest cogs on the market, with the 16T coming in at only 17 grams! Available in a wide range of sizes for various speeds, Rennen Cogs are also Shimano Spline compatible and will work with 8 & 9 speed chains. WEIGHT 13T: 0. 35oz 10g 14T: 0.
