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Saddle Mounted Water Bottle Holders....(6 posts)

Saddle Mounted Water Bottle Holders....peterkg
May 30, 2002 1:50 PM
Does anyone have any experience with these? Will the saddle mounted Xlab Flatwing still allow room to keep my saddle bag mounted under the seat??

re: Saddle Mounted Water Bottle Holders....brider
May 30, 2002 2:11 PM
I would think that you can still use your saddle mounted bag, but it will probably ride a bit lower. My experience with these is that they can eject water bottles at very inopportune times if you don't have them held in very well. Also, I'd have to ask WHY you're thinking of using one. Is it to be able to carry more water? If so, then fine. If it's for aerodynamics, then I'd say look elsewhere. Wind tunnel tests have shown that behind-the-saddle mounted water bottles are actually an aero detriment (for whatever reason).
Ooops, okay, saw your post below...brider
May 30, 2002 2:19 PM
I have used the first generation Trimble carrier, which allowed for a saddle bag (albeit a small one) to be used as well. It held two water bottles vertically, and clamped to the seat rails. Kind of heavy, but functional. Didn't use it for very long, as it had the aforementioned tendency to eject bottles. It was made in response to the Trimble frame, which was a closed main triangle (no standard water bottle mounts). I'm not totally familiar with the X-lab, but I remember one that clamped to the seatpost and held the bottle at an angle to the ground (approximately what an under-the-down-tube holder would be on some touring bikes, but pointing backwards). This would be better for two reasons: (1) it wouldn't eject bottles, and (2) the bottle could be mounted lower, allowing for an easier leg swing on mounting the bike (nothing like catching your shorts on a water bottle).
re: Saddle Mounted Water Bottle Holders....Eames
May 30, 2002 2:21 PM
Some bikes only carry one water bottle mount. A Camelbak puts to much pressure on the back when full for my wife. Therefore she uses a behind the seat XWing. Never had a problem.
Xlab Flatwig experience....................Justride
May 30, 2002 3:48 PM
I used an Xlab Flatwing on my Softride tri setup for a while.
I never mounted a bag beneath it but I recall that it would not easily accomodate one. You can see a photo of the Flatwing at
The only real negative thing I found with this type of system was the change in handling characteristics of the bike in out of the saddle efforts. Two full water bottles is a lot of weight that high up on the bike. Hope this helps!
re: my problemhoboken_rider
May 31, 2002 7:01 AM
I have a TCR-1 with the aero-carbon seatpost. The aero-part of it makes it difficult to mount the X-lab wing. Not to mention the saddle itself doesn't have rails far enough back to mount anything such as a double cage to.

Does anyone know of anything that would allow me to mount a double-caged bottle holder on the back of my bike? I'm looking to carry extra water, not too worried about the extra weight at this point.