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Drivetrain & Brakes

Shimano
SRAM
Campagnolo
Race Face
KMC
Mavic
Easton
Ceramic Speed
FSA
Soma Fabrications
ENVE
Cannondale
Customer Favorites
Recent Reviews
rating
by Anonymous
Competitive Racer
extra climbing power

great cassette for a 1x drivetrain I got the 11-36 to add just a bit more climbing gear over my 11-32. fantastic shifting and very reasonable weight.

Reviewed 4/14/2017
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rating
by Anonymous
Cycling Enthusiast
San Jose, CA
1 of 1 customers found this review helpful.
Shimano's highest end rotor will help control overheatingfading brakes, but you'll need Centerlock hubs and $ to replace them frequently

Pros: Icetech and Freeza technology seem to help control overheating and brake fade over regular rotors, they look kinda awesome too.

Cons: Not the lightest (115g for the rotor w/o 10g lockring) compared to other Centerlock rotors, seems to wear out quite a bit faster than RT86 or other Icetech rotors, Centerlock only compatibility greatly limits wheelhub options.

I've gone through a number of the RT99 rotors (180mm front, 160 rear) and they perform great. On long decents I used to experience brake fade / overheating / pump much sooner with non Icetech rotors. Since switching to Icetech and Freeza I've noticed much more consistent braking performance on long descents. This might also be due to the finned Resin brake pads I was also using. Also, it's hard to quantify how much of a difference the Freeza cooling fins provide over non Freeza rotors.

I actually prefer running Centerlock hubs because they tend to be lighter than their 6 bolt counterparts and the locking interface is so much easier to use (w/ tools you probably already own) than dealing with 6 separate bolts.

Regarding wear - I've been able to squeeze out something like 1700 miles out of the Shimano RT86 Icetech rotor vs. 1100 miles out of a Shimano RT99, both on the same bike setup as a rear rotor with same brake pad compound (resin), using different wheels. I've also experienced a bit of delamination of the steel braking surface and the aluminum core towards the end of it's life - something I never really experienced with the RT86 rotors.

Reviewed 4/4/2017
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rating
by Fiddler
Cycling Enthusiast
Alexandria, VA
Worthwhile Upgrade and Solid Component

I recently purchased this chain as a replacement for a KMC chain I had previously. My bike had a mix of Shimano 105, KMC, and FSA components, but I've made a couple upgrades to Ultegra as I wore parts out. I found this chain to be easy to install and it's running smoothly on my bike now. I've noticed that my efficiency has increased slightly since installation, which has translated to several unexpected PRs on Strava segments. I am very happy with the high standard Shimano has set with their components, and Ultegra is a great balance of performance and price.

Reviewed 4/3/2017
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rating
by Weekend Road Rider
Casual Cyclist
Silicon Valley, CA
Works well.

When the road bike had about 16,000 miles on it, the shifting started becoming erratic. The chain would jump between gears on the rear cassette, and cleaning and carefully adjusting the rear deraileur didn't help. I replaced the cassette, the chain (which only had about 4000 miles on it), and the shifter cable, all at the same time. Now the shifting works fine, but I'll never know if it was the cassette, the chain, or the cable that fixed the problem. The cassette is well made and easy to install if you have the right cassette tool and chain whip, otherwise it would be very challenging. The next time I encounter shifting problems, I'll start by just replacing the cable before replacing the more expensive parts.

Reviewed 3/28/2017
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