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2020 SLX Freehub ate itself

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2020 SLX Freehub ate itself

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FL
Posted: Mar 28, 2020 at 13:10 Quote
Has anyone had this problem? The metal "do not disassemble"seal on the ratchet ground itself down which let a spring slip out of position, which dug into both the main hub bearing seal and the backside freehub bearing.


photo

Posted: Mar 29, 2020 at 9:20 Quote
timeforaride wrote:
Has anyone had this problem? The metal "do not disassemble"seal on the ratchet ground itself down which let a spring slip out of position, which dug into both the main hub bearing seal and the backside freehub bearing.


photo

No, but now I’m worried. I just built a wheel around this hub. What symptoms did you experience?

FL
Posted: Mar 29, 2020 at 15:54 Quote
Think it may be a common issue. From an online review of Deviate Highlander

"With a Shimano XT 12-speed drivetrain and their new 4 pot brakes, we were expecting rugged reliability and were surprised to run into issues almost immediately. The Shimano 12 speed micro spline freehub failed catastrophically after a few weeks of riding. Now, while parts do break, and freehubs do fail, this is not our first Shimano XT micro spline freehub that has developed issues"

FL
Posted: Mar 29, 2020 at 17:15 Quote
I'm not sure if it was a symptom or not, but it ran nearly silent from new. I never experienced any engagement issues.

Posted: Mar 29, 2020 at 18:28 Quote
timeforaride wrote:
I'm not sure if it was a symptom or not, but it ran nearly silent from new. I never experienced any engagement issues.

Mine cuts in and out. I’ve read that it’s because the Scylence mechanism is 99% intact but without the spring that forces the drive plates apart when coasting.

FL
Posted: Mar 30, 2020 at 11:13 Quote
Mine cuts in and out. I’ve read that it’s because the Scylence mechanism is 99% intact but without the spring that forces the drive plates apart when coasting.[/Quote]

Exactly

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