The new Dura-Ace group boasts a variety of improvements, and the 10 speed cassette is no exception. Weighing in at just 173 grams (11-23 model), it boasts a new surface treatment that increases durability by approximately 30%.

Shimano's M960 XTR cassette cogs offer the ultimate in reliable, smooth shifting for 9 speed drivetrains. Each cog is drilled out for lightness and mounted via a light alloy carrier that increases rigidity while reducing weight.

Enjoy the same reliable, lightweight performance that SRAM's BlackBox racers enjoy.

The new 760 XT cassette cogs throw an alloy sprocket carrier into the mix, further reducing the weight without sacrificing trail-worthiness.

Ultegra now steps into the 10 speed world with the introduction of the 6600 cassette.

Dura-Ace delivers the control, response, and dependability that racers demand.

The proven, dependable, smooth-shifting design you've come to expect from Shimano - with 2 gearing choices and a lighter weight minimally-designed sprocket carrier to shave grams.

Reliable, smooth-shifting cassette from SRAM at a great price.

Suntour Super Powerflow cassettes deliver a "value per dollar" that far exceeds other brands on the market.

The 105 components are completely interchangeable with Dura-Ace and Ultegra due to identical 9-speed drive train specifications.

These work with all popular 9 speed chains and fit 8/9 compatible freehub bodies. Ramped teeth ensure smooth, reliable shifting.

Affordable, Shimano 8 speed compatible SRAM cassettes

Freewheel for threaded Single Speed/BMX hubs.