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I see.
It would be cool if someone were to adress these points in a nicer product. Changing thread pitch is easy, but I can’t imagine how it would be possible to improve thread engagement. Adapting to different seat tube diameters would be easy though.
drøn-
It would be cool if someone were to adress these points in a nicer product
Why bother when you can sell massively overpriced and badly designed seat clamps by laser etching the established brand of some other bicycle part on them and offering then in pretty anodised colours? 🙂
To be fair, even the really bad ones work well enough, as do the #tester_approved cheap generic barrel nut styles. When they don't, because of abnormal loads or particularly unfavourable combinations of seat post and tube material, a secondary clamp on the seat post or combination double clamp is an available and effective solution. The world is clearly not crying out for a better seat post clamp. -
Changing thread pitch is easy
It is, but on a worm drive it tends to make your problems worse rather than better because the depth of engagement is proportional to the pitch. The engagement on the band is the weak point, as anybody who has stripped out a Jubilee clip can tell you. Making the contact area smaller and then trying to increase the tension seems like a recipe for disaster.
gbj_tester
Dredge (ish), but as somebody just called attention to this discussion, I should probably address your point properly.
Yes, a jubilee clip does a very good job of approaching a tangential pull on a floppy strap - these are good things. My concern is that the minimal thread engagement and coarse thread pitch might not be capable of generating the required circumferential tension.