Rennen Aluminum Cassette Cog Gear Size:18T The Avian Scorcher Top Load

The Avian Scorcher Top Load stems are CNC machined from 6061 T6 aluminum for strength and quality

This 4-bolt design measures 4mm thick and while it only weighs 78g

SIZE : Expert (20 x 1")

29"  |  1

WHEEL BUILD SPECS:

Rennen Aluminum Cassette Cog Gear Size:18T The Avian Scorcher Top LoadRennen 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.