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SHIMANO CS-7900 Dura Ace Cassette

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Product ID: 11484777
Brand:
shimano
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About the item

  • Hyperglide (HG) sprockets - improved shifting.
  • Titanium sprockets receive a superior surface to increase durability by approximately 30%.
  • Updated design on the cogs for better shifting performance for more robust shifting, weight savings.
  • Use with Super Narrow Chain for 10-speed.
  • It weighs 163 grams.
The Shimano Dura-Ace CS-7900 cassette provides you with a wealth of gearing options unlike any previous generation of Dura-Ace. You get an unprecedented 8 different ratios to choose from -- 11-21, 11-23, 11-25, 11-27, 11-28, 12-23, 12-25, and 12-27. The low 6 cogs are steel, and the high 4 cogs are made from titanium. Compared to the CS-7800 cassette, you get a weight savings of 10g (e.g. the 11-23 weighs 166g). The back of the Dura-Ace CS-7900 cassette is its new aluminum carrier unit. Not only is it lighter than the CS-7800's, but it offers a measurable increase in rigidity for improved power transfer when you're putting the hammer down. In addition, Shimano did some re-engineering to the cog teeth profiles. They're fine-tuned to mate to the Dura-Ace CN-7900 chain -- giving you superior shifting on both up-shifts and down-shifts. You'll also experience added drivetrain efficiency since the inner plates of the CN-7900 precisely fit the cog teeth of the CS-7900 cassette. Lighter, stiffer, crisper -- you get improvements all around.The Shimano Dura-Ace CS-7900 Cassette is compatible with the Dura-Ace RD-7900 rear derailleur and the RD-7800 rear derailleur except for 11-27 and 11-28 . The RD-7800 rear derailleur does not have ample chain wrap capacity to handle the CS-7900 in 11-27 and 11-28. These cassettes must be used with the RD-7900. The CS-7900 is optimized for the Dura-Ace CN-7900 chain, but it is compatible with the Dura-Ace CN-7801 chain.Two brand-new ratios for Shimano with the Dura-Ace CS-7900 cassette are 11-25 and 11-28. The 11-21 includes - 11,12,13,14,15,16,17,18,19,21The 11-23 includes - 11,12,13,14,15,16,17,19,21,23The 11-25 includes - 11,12,13,14,15,17,19,21,23,25The 11-27 includes - 11,12,13,14,15,17,19,21,24,27The 11-28 includes - 11,12,13,14,15,17,19,21,24,28The 12-23 includes - 12,13,14,15,16,17,18,19,21,23The 12-25 includes - 12,13,14,15,16,17,19,21,23,25The 12-27 includes - 12,13,14,15,16,17,19,21,24,27
Disclaimer: The price shown above includes all applicable taxes and fees. The information provided above is for reference purposes only. Products may go out of stock and delivery estimates may change at any time. desertcart does not validate any claims made in the product descriptions above. For additional information, please contact the manufacturer or desertcart customer service. While desertcart makes reasonable efforts to only show products available in your country, some items may be cancelled if they are prohibited for import in United Arab Emirates. For more details, please visit our Support Page.

Frequently Asked Questions About SHIMANO CS-7900 Dura Ace Cassette in Jamaica

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