Works perfectly and is rock solid.

Perfect place to carry extra bottles, looks very good fits very good

love how specialized seats are pre drilled. When cages are mounted the bottles are almost parallel to top tube. Had 2 full bottles on and hit a bump and my specialized bottle holder snapped. bummer.

Great for carrying more water so you can ride longer and further.

Easy mounting

Excelent 💯

Don't get me wrong, this is a great attachment. The issue is have (and should be a consideration for TT/Tri athletes with areo seat posts) is with the clearance behind the seat post and the bottom-most part of this attachment. Most TT/Tri cyclists (including myself), like to push our saddles as far forward as possible. With the attachment (and with the sitero saddle) there is not enough clearance between the seatpost and bottle mount. This forces me to have the saddle mounted further back and changing the areo position I am otherwise used to.

I love this attachment. I was super stoked when I left my local bike shop with the Reserve Rack and two new cages. For longer rides I want to carry as much hydration as possible and for me, this is the solution. Less than a mile from my house on my first ride, I hit a bump and both of my new rib cages snapped. Bottles went everywhere. That was a bummer. Again, this is a great attachment but finding a solid cage to mount is necessary as the Specialized cages are just not strong enough.

While this does attach to the saddle, there is not enough room for it to correctly mount on the saddle. There are cheaper, lighter, better alternatives.

Proper integration. The bottle attaches posterior to the saddle. This position is hypothetically an aerodynamic one. I like this style of SWAT attachment.