Joined: Jun 2010
Posts: 2,132
Likes: 1,522
From: Medford MA
Bikes: Ron Cooper touring, 1959 Jack Taylor 650b ladyback touring tandem, Vitus 979, Joe Bell painted Claud Butler Dalesman, Colin Laing curved tube tandem, heavily-Dilberted 1982 Trek 6xx, René Herse tandem
Originally Posted by
Velo Mule
This worked out good. The Bontreger quick release seat post binder is an external cam. The aluminum cam rubs against the plastic as you can see when you move the lever to the closed position. The SunTour is an interal cam. like Tulio Campangno first dreamed up. This has all steel parts and there is less friction when closing the lever. Or at least that is my opinion of these two designs.
Your opinion is correct, based on my experience.
Lots of affordable internal cam options out there for cheap. Like this one:
https://www.ebay.com/itm/QUICK-RELEA...7/391247138183
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Owner & co-founder, Cycles René Hubris. Unfortunately attaching questionable braze-ons to perfectly good frames since about 2015. With style.