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The Shimano Dura-Ace CS-7900 Cassette is lighter, more seamlessly integrated, and offers more options than ever before. Get that? More of everything, except weight. Ten grams lighter than the CS-7800, thanks to a lighter machined aluminum carrier unit. Stiffer than ever, with four titanium high gear cogs atop the six steel low gears. New tooth profiling and carrier interfacing improves shifting and drivetrain efficiency when mated with its matching Dura-Ace chain. And on the ratio side, more sizes mean you can choose a gearing ratio that’s practically custom-fitted to your individual riding style. In short, the Dura-Ace CS-7900 is better than ever before, from every angle.
Compatible with Shimano Dura-Ace RD-7900 and RD-7800 rear derailleurs, and Dura-Ace CN-7900 and CN-7801 chains. RD-7800 derailleur cannot accommodate 11-27 and 11-28 cassettes.
The Shimano CS-7900 Dura-Ace cassette features a new, rigid and super-lightweight aluminum sprocket carrier and a re-engineered teeth profile.
| Gear Ratio: | See drop-down |
|---|---|
| Manufacturer Warranty: | 3 Years |
| Material: | [Cogs] Titanium, stainless steel; [Carrier] aluminum |
| Recommended Use: | Road cycling, racing |
| Suggested use: | Road |
| Weight: | [11-23] 163g |
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View other products from Shimano classified in Cycling > Cassettes. View all products from Shimano.
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Sometimes, we can't be sure that the product is the same across the stores that offer its, so you may find the same product listed more then once on GearBuyer.com, we these list highly similar products below.
 | Shimano Dura Ace 7900 Cassette | $299.99 |
 | Shimano Dura Ace CS-7800 10SP Cassette | $109.00 |
Use this chart to find which retailer offers this product in the size, color or other options that you desire. Click on the price to purchase.
| Size | |
|---|---|
| Cs-7900, 11-28 | 299.95 |
| 12-27 | 299.00 |
| Cs-7900, 11-27 | 299.95 |
| Cs-7900, 12-27 | 299.95 |
| Cs-7900, 12-25 | 299.95 |
| Cs-7900, 11-25 | 299.95 |
| 12-25 | 299.00 |
| 11-23 | 299.00 |
| Cs-7900, 12-23 | 299.95 |
| Cs-7900, 11-23 | 299.95 |
| Cs-7900, 11-21 | 299.95 |
Mountains Plus Outdoor Gear offers this product at $298.99, but does not provide any color/size information.
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"This Is very Good" | |
| Rating: |  |
| I would say that, this product is a bit expensive, but, well worth the money. Because the shifts well. It doesn't slip out of gear. wearing down, well, I will tell you, when it happens, if and when it does. | |
| Matt5533 at REI on 09/12/2009 | |
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