Would love to see some static friction data for these, or anything similar. I did a quick google & scholar search which turned up only industrial case studies where, as mentioned, operating conditions are extreme. Friction in these applications is a relative non-issue compared to other energy losses in the system and wear life.
The statement made in the article, "_Because of the high forces involved, static friction shouldn't be a big issue for pivot bearings, which are almost always in motion when your suspension is needed" is pretty contrarian as one of the majour complaints about DU bushings, sealed dampers, and other bushing systems (which is all this is, just with balls to bear the load) is that **st**atic fr**iction** ("**stiction**") is an issue. Not sure when the last time I complained about a greased bearing in a properly toleranced bike is.
Interesting idea, not sure I'd buy it just on the hype. If anyone wants to try it out, NSK, Timken, and SKF all make the product (in bike sizes) and have excellent distribution in the lower mainland and Canada.
Sept. 13, 2018, 7:53 a.m. - Sanesh Iyer
Would love to see some static friction data for these, or anything similar. I did a quick google & scholar search which turned up only industrial case studies where, as mentioned, operating conditions are extreme. Friction in these applications is a relative non-issue compared to other energy losses in the system and wear life. The statement made in the article, "_Because of the high forces involved, static friction shouldn't be a big issue for pivot bearings, which are almost always in motion when your suspension is needed" is pretty contrarian as one of the majour complaints about DU bushings, sealed dampers, and other bushing systems (which is all this is, just with balls to bear the load) is that **st**atic fr**iction** ("**stiction**") is an issue. Not sure when the last time I complained about a greased bearing in a properly toleranced bike is. Interesting idea, not sure I'd buy it just on the hype. If anyone wants to try it out, NSK, Timken, and SKF all make the product (in bike sizes) and have excellent distribution in the lower mainland and Canada.