The Shimano Dura-Ace CS-7900 Bicycle Cassette - 10 Speed features hyperglide sprockets which have a computer designed tooth configuration with contoured shift gates, allowing for smooth shifting even under a heavy load. With close ratio gearing for more efficient energy use through improved cadence control, the largest sprockets are mounted onto a lightweight alloy carrier to enhance rigidity and reduce weight. - L.M.
Please Note: CS-7900 11-27 and 11-28 cassettes require the use of RD-7900 or RD-6700 (rear derailleur)
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Where reviews refer to foods or cosmetic products, results may vary from person to person. Customer reviews are independent and do not represent the views of The Hut Group.
This is an upgrade from Ultegra 12-25. The cassette is lighter, the shifting is more precise. The difference from the 12 to 11 is dramatic. I live in the foothills of Apppalachia lots of climbing and lots of descending, the bigger gear makes the downhill so much more fun..
Ordered and received in the US within a week or so. Fantastic price and typically Execellent Dura Ace quality. Quickly fitted it to my bike and the new crisp shifting is a dream - totally recommended!
Great product at a great price. Bought two of these to be used as spares because Shimano discontinued the 7901 chain I figured the cassette might be next. I have be using the Dura Ace 7900 since it came out and it has been flawless and that's why I stick with it. I am not ready for the 9000 series yet because the price for the extra gear is very costly. Pick them up while you still can.
Arrived just fine and was just what I needed. Great purchase, will be back!
Great upgrade from my ultegra for a killer deal, so glad I did it.