Really great design, nice and clean, easy to fit and blends into the bike.

Good price and quick delivery

worked a dream!

Such a simple fix to attach a rear rack. Completely inconspicuous when not in use.

Bought as a spare while i have my oem clamp color matched to my bicycle accent color. Diverge comp carbon specifies 30.8mm, this is 30.6mm and fits fine. Also opens up the possibility of using a rear rack eventually since the frame does not have eyelets for racks on the seat stay.

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Abraçadeira de ótima qualidade, por um preço melhor que as concorrência de qualidade similar (se comparada com a Shimano PRO, por exemplo). Além de ter um bom preço, qualidade superior, um design agradável, tem uma ótima funcionalidade para os cicloviajantes: ser compatível com alguns modelos de bagageiros. Só tem um contra: pra quem vai utilizar em bicicletas com pneus traseiros com mais cravos, geralmente muita sujeita é jogada na região da abraçadeira do canote de selim. Por este modelo ser maior (mais robustez por conta da compatibilidade com o bagageiro), acumula uma quantidade considerável de sujeira. Se isso é algo que incomoda, melhor optar pelos modelos menores.

Without this collar I would not have been able to mount my rear rack.

Perfectly engineered, strong, lite, efficient. Good description, uber quick ship, and good value as usual.

Great option for attaching a Tumbleweed rack to my Diverge. Only issue I ran into was the bolts that came with the rack were too long to go into the collar and I had to purchase bolts that were shorter.

I purchased this seat collar to be able to add a rack to my Creo SL Expert. This was easy to install and works really well allowing my rack to mount to the seat collar.

I needed this so I could attach a rack to the back of my bike. It works perfectly!

fit perfect

This product does just what it is supposed to do - make it easy to attach a rack to my carbon frame that has no built it lugs. One important tip: be sure to grease the rack bolts and do not tighten beyond the recommended 6NM. I made that mistake with my first one and ended up snapping a bolt off when trying to remove it and had to buy and install a new collar.

Does exactly what it is supposed to, allowed me to mount my rack. Does not come with the necessary bolts, so be sure to pick those up at your bike shop as well.

Would have been great if this had been on the bike originally like all of the other attachment points.

It's cool that you can run a rear rack on the Diverge, but I get a bad squeak from where the rack (aluminum) connects to the frame (carbon). The squeak only goes away when I have weight (loaded panniers) on the rack. Kind of a bummer, but still cool that you can run a rack on the Diverge.

Worked perfect.

The specialized diverge I had bought already had this on it. When I went to the bike shop they told me this is what I need so I took there word. When it arrived I realized my bike already had one on it.

Works as advertised

Used it on Turbo Creo SL Comp Carbon EVO in order to be able to mount Topeak Explorer (non-disk, without spring) rack. Worked fine. Now I have a rack!

This works exactly as it should. Be sure to get the correct size rack -- I didn't realize they came in 2 sizes and mistakenly ordered the one with arms that were too long. Haven't been able to get them swapped yet.

Works great to connect an Ibera rack to my Diverge.

This was a perfect solution for my Topeak explorer rack. I didn’t want to put clamps around the carbon seat stays and this seat post collar allows me to secure the rack arms to the seat post

Great way to attach rack. Note that the clamp tightens with an allen wrench. Then you use screws to attach rack supports.

Love the awsome clean design