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Christian A.

Christian A.

Christian A.

Christian A.wrote a review of on September 23, 2018

SES 4.5 braking surface failing Week 4
1 5

Familiarity: I've put it through the wringer

Flat city, 4-5 turn related braking, 400kms riding per week. Braking on dry is atrocious, you prey not hitting something. even with slight pad glaze removed with 120Grit, 150-180% of Zipps with Platinum or Yellow Stuff. 150% longer than DA carbons.. Close inspection reveals a degradation of the questionable cheese-grater pattern. Good in rain tried it once, bad on dry and 4 weeks, 1300+ kms seems to be headed to early failure...

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Christian A.

Christian A.wrote a review of on May 26, 2018

Poor piece of kit
1 5

Familiarity: I've put it through the wringer

Core has plastic NOT carbon fibre, hence why it breaks. Truth is the carbon spider thing is a marketting gimmick that breaks the truth test- and literally. Cogs attached to it flex and bend resulting in bad unintented torque drops under load, DING! The wide 5.8mm Shimano chain catches adjacent cogs. Even the 5.3mm Campy, which runs silent, will still bend this plastic mounted cogs, and drop under high load. Spacing is inexistant, and the metal is poor quality. Just several levels below the Campy XG-1190 - on one bike I have had one for 14,000 kms and it is still flawless. As it is well documented, the inner core does snap under load, tying the cyclist forever with Shimano back and forth. For a true solution to this cassette, check pics: SRAM XG-1190, Campy chain, and the new Shimano RD9100. No DA cassette, no Shimano cables. System runs powerful, silent, never grinds drops or catches. In the picture, the cassette has 14,000 kms and just replaced it. Now, if driven at 27-30km hr max, with slow climbing, it might pass the test. But 30-50km/hr with acceleration, it fails

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