Description Now with plenty of gearing options, the new Dura Ace cassette is perfect for a variety of riders and applications. And, it's new alloy carrier saves weight and increases stiffness over previous models.
Works best when used with the 7900 series chain but it also compatible with older Shimano 10 speed chains. All sizes are back compatible and work with the RD-7800 or RD-7900 rear derailleur except for the 11/28 model which requires greater chainwrap capacity and the use of the RD-7900.
11/21 Tooth (11, 12, 13, 14, 15, 16, 17, 18, 19, 21); 155 grams
11/23 Tooth (11, 12, 13, 14, 15, 16, 17, 19, 21, 23); 161 grams
11/25 Tooth (11, 12, 13, 14, 15, 17, 19, 21, 23, 25); 178 grams
11/27 Tooth (11, 12, 13, 14, 15, 17, 19, 21, 24, 27); 182 grams
11/28 Tooth (11, 12, 13, 14, 15, 17, 19, 21, 24, 28); 185 grams
12/23 Tooth (12, 13, 14, 15, 16, 17, 18, 19, 21, 23); 178 grams
12/25 Tooth (12, 13, 14, 15, 16, 17, 19, 21, 23, 25); 185 grams
12/27 Tooth (12, 13, 14, 15, 16, 17, 19, 21, 24, 27); 190 grams
B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.
Reviews Ordered by Most Relevant First
5 stars
4 stars
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1 stars
No brainer
1 of 1 customers found this review helpful.
You can't beat the quality of Dura-ace. A 11-28 is a cheaper alternative to compact cranks for 55 yr old knees. Shifts just fine
Reviewed 6/23/2017
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Top ace
Durango ace set it all. Finest in Japanese craft and precision.
Reviewed 2/7/2019
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Bullet proof and precise
by stevejdt
Cycling Enthusiast
Boulder, CO
1 of 1 customers found this review helpful.
Shifts, spins and more! Super light and it's shiny!
Reviewed 12/20/2018
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Worth it
1 of 1 customers found this review helpful.
Smoother and sure-er shifting than James Bond working a stick in an Astin Martin. Plus it's light, and has the ultra sexy titanium gears.
Reviewed 1/21/2015
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Great product
by Rich R
Cycling Enthusiast
San Antonio, TX
0 of 3 customers found this review helpful.
Glad I purchased. No regrets.
Reviewed 6/11/2014
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Fantastic upgrade, or schedule maintenance must
by Anonymous
Cycling Enthusiast
delaware
0 of 3 customers found this review helpful.
Nothing not to love. Simply the best, lives up to it's reputation.
Reviewed 1/24/2013
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Best quality at the very best price
by jasyves
Cycling Enthusiast
Montral, QC
2 of 3 customers found this review helpful.
I use this cassette on my Cervlo R3 and it it procures very precise and smooth shifting. And the price is far more better than in a bike shop here in Qubec.
Reviewed 11/29/2012
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Great Price!
by GMat
Cycling Enthusiast
Columbus, OH
2 of 4 customers found this review helpful.
Nothing shifts as good as the Dura Ace cassette. I installed this on my good wheelset and anxiously await Spring for me to get the good bike back out. Till then it's my clunker bike with the Ultegra groupo that shifts nice but definitely not as good and responsive as Dura Ace!
Reviewed 1/23/2012
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Pricey, but Excellent
by Anonymous
Cycling Enthusiast
Taiwan
9 of 10 customers found this review helpful.
I use this with a 7900 chain with Ultegra 6703 on the front. I think this works better than Shimano's recommended 6600 chain with the 6703 up front and ultegra cassette in the rear. I love the 11-28 option, as I do a lot of steep climbing. Nothing bad to say except - wow - pretty expensive.
Reviewed 1/19/2012
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