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Your cart is empty.12 speeds of range make its way to the Shimano lineup with the Ultegra CS-R8100 12-Speed Cassette. This cassette utilizes 12 gears to keep the rations closer and pedaling action smoother up and down the cassette. Ultegra cassettes are made of steel to take on plenty of abuse and long miles.
Steve
Reviewed in the United States on September 19, 2023
Works very smoothly with compact Di2 in front. I had to change the chain (to make it longer) passing from the original 11-28 to this new 11-34. The result works perfectly and gave me a bike that can climb the steepest muntain roads.
WILLIAM PÉREZ
Reviewed in the United States on September 19, 2023
Producto original recomendado
Mark12
Reviewed in the United States on August 17, 2023
I like Shimano gears mated with Shimano shifters an d chains! Why rock the boat!
Randall
Reviewed in the United States on November 1, 2023
The description says it has 12 cogs. The sticker on the box says the same thing. However, the printing on the box and my eyes tell me that it only has 11 cogs.
Raj
Reviewed in Canada on October 20, 2023
Bought this cassette for a second wheelset for a bike where all other components are Shimano 105. Though the design of Shimano 105 cassette is slightky different from Shimano Ultegra cassette, have had no compatibility issues. in fact, this cassette is lighter Works as expected. Happy!
Andrew C. Kesterson
Reviewed in the United States on July 14, 2022
Installed on a Wahoo Kickr Core to pair with my 12 speed MTB and it works perfectly.
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