The Ultegra CS-6700 Cassette is more than just an economical alternative to Dura Ace. It's a light-weight, outstanding performer in its own right.

The PG-1070 combines the precise shifting and durability of heat-treated steel cogs with the weight savings of an internal spider for an outstanding 10-speed cassette. The 11-25t model is under 230g.

9-speed Shimano compatible cassette - lighter than Ultegra, less expensive than Dura-Ace.

Shimano's 10-speed 105 cassette borrows features from Dura Ace, but puts an emphasis on affordability and durability.

At under 155g for the 11-23t model and featuring new StealthRing sound and vibration damping, the most advanced cassette ever made just keeps getting better.

An economical yet quality option for 8-speed drivetrains with Shimano/SRAM shifters.

The PG-1050 offers a wide range of gearing options. Aluminum spider carries largest cogs, and nickel-plated steel offers long life, while Powerglide ramped teeth offer smooth shifting.

Nickel-chrome surface treatment and Ultra Drive tooth profiles for smooth, fast, and precise shifting for Campy 10-speed shifters.

The CS-7900 sets a new benchmark for stiffness and lightweight design and offers more gearing options than ever before.

Light, stiff, and durable without breaking the bank.

The Chorus 11 Cassette offers all the shifting performance of Ultra Shift in a more durable and economical nickel-chromed steel, and still only 256g for the 12-25t model.

For 2009 Campagnolo supplies all cassettes with lockrings.

9-Speed MTB cassette with Shimano XT precision and durability.

The newest Dura-Ace cassette offers more than 11 cogs, it's also light and more efficient.

With three titanium cogs and eight nickel-chromed steel cogs, the 205g (11-23t) Record 11 Cassette offers durability and intuitive Campagnolo Ultra Shift performance.

For fast, precise and consistent shifting. Ultra-Drive design.

An affordable and reliable cassette for 7-Speed drivetrains.

The CS-7900 sets a new benchmark for stiffness and lightweight design and offers more gearing options than ever before.

The most advanced cassette ever made just keeps getting better in this off-road specific design. 154g.

Ultra Shift technology delivers Campagnolo's legendary intuitive shifting, and titanium and multiple aluminum cog carriers minimize weight.

With Mavic's spacer you can use a 9 or 10-speed cassette from Shimano or SRAM on any Shimano 11-speed freehub body.

Available in 11t or 12/13t models and compatible with all 2000 and newer oversized hubs and 1999 Chorus and Record oversized models.

Fits 9-speed Campagnolo freehub bodies. For use with cassettes with a 12 or 13 tooth (not 11) outer cog.

SRAM brings 11-speed compatibility to their unequaled X-Dome cassette design. 151g.

Redesigned to be even lighter and stiffer.