If you’re looking for the best seat mounted water bottle cage to buy online, you’ve come to the right place. Our team has spent a considerable amount of time researching and physically reviewing the seat mounted water bottle cage, so you can be sure to get the detailed insights you need to make the best decision for your purchase.

Best seat mounted water bottle cage

Our Recommended Best seat mounted water bottle cage Handpicked For You In 2022

SaleRank No. 1
Minoura Saddle Water Bottle Cage Mount, Single Cage
  • Behind-saddle mounted holder for extra water bottle cage or spare tube set
  • Good position for aerodynamics
  • Lightweight at 80 grams
  • Bottle Cage mounting screws included
  • Not compatible with I-Beam type saddle. Standard dual rail type only
Rank No. 2
ECYC Bicycle Seat Post Double Water Bottle Holder Black Bottle Cage Rack
  • Package included:1 x Water Bottle Cage Holder( not including water bottles and bottle cage)
  • Water bottle holder,super toughness, can satisfy you to put two bottle.
  • It is fit for no bottle cage location bike, such as some special bike, folding bike.
  • Made by ultra light aluminum alloy, high quality material and manufacturing process for extra strength. Even if after strong impact, it won't distort and fracture.
  • A good gift for you or your friends who like cycling.
SaleRank No. 3
ROCKBROS Bike Bottle Cage Adapter Bicycle Seatpost Handlebar Water Bottle Mount Holder Adjustable...
  • ✔VERSATILE: Are you still worried about not having enough space or holes predrilled to install a bottle cage? ROCKBROS bicycle bottle cage adapter solves these problems, it can be installed on your bicycle handlebars, bicycle seat post, bicycle frame. The hinged mounting system is quick and easy.
  • ✔SUPERB STURDY MATERIAL: Made of high-strength aluminum alloy CNC-machined, heated treated for a strong & lightweight design, smooth surface and rust-proof.
  • ✔HUMANIZED DESIGN: The water bottle handle holder can be rotated 90 degrees to suit the installation position, you can adjust it horizontally or vertically according to your habit, making it easier for you to pick up the water bottle. (Note: Adjustment requires a hexagon wrench tool)
  • ✔DIMENSIONS: This bike cup holder adapter comes with 1 spacer and 1 rubber piece let you customize your bike mount from 21 to 31.8 mm(0.83-1.25 in) diameter.
  • ✔WIDELY COMPATIBILITY: Suitable for Road Mountain bike, e-bike, kids bike and communt bike. Perfect for biking, camping or traveling etc. The double bottle mount design will solve your water shortage troubles during long rides.
Rank No. 4
Panda Software SENQI Aluminum Bicycle Water Bottle Cage
  • This is an aluminum alloy double water bottle holder, it is mounted below the bike rear seat.It can be installed two single bottle cage, and very lightweight,so you could carry more water on your longer rides.
  • It has four colors:black,silver,blue,red.
  • Not compatible with i-beam type saddle. Standard dual rail type only.Use for road bikes, mountain bikes, TT.
  • VERY EASY TO INSTALL--Coming with 6 screws, installed in the backseat, extend installation of two water bottle cages, fits for long time riding or Long distance travel. Never worry about no water in halfway.
  • NOTE--This specific item is only the adapter so you need to either already have the cages or purchase them with this item.
Rank No. 5
Bike Seat Water Bottle Holder | Three Bottle Cage Capacity | Road and Triathlon Specific Aero Design...
  • Some images shown are for reference to show possible configurations. Here is what is included: alloy behind saddle hydration rack and three bottle cages. Note bottles, CO2 cartridges, seat post, saddle NOT included.
  • Triathlon bike saddle bottle mount with multiple configurations. Single bike seat bottle holder, dual bike mount or even three bicycle bottle cage mount. The ideal behind saddle water bottle holder for triathlon, road and time trial bikes. An extraordinary water bottle holder which is easy to attach behind the bicycle seat. THE rear hydration system.
  • Referred to as dual water bottle holders or seat bottle holders, these are so much more. . The rack will also accommodate CO2 cartridges (not included).
  • Behind Seat bottle cage mount works with all round standard saddle rails (not I beam). A necessary triathlon accessory.
  • Premium performance. A must have for long triathlon training rides.The most important tri accessory that you need for your bike. Enhance your riding ability with longer training rides. Olympic, full or ½ Ironman – you need this behind seat bottle holder. With this rear mounted adaptor for bottles and cages, you will gain vital aerodynamic benefits during long distance triathlons. This double water bottle cage mount offers quick and easy access to water bottles. Extreme aerodynamic benefits
Rank No. 6
Mczxon Bicycle Water Bottle Holder Mount Adapter Aluminium Alloy, Adjustable Road Bikes MTB Water...
  • 【Durable Materials】- The Water bottle bracket adapter is made of qualified 7075 aluminum alloy. The bottle mount adapter for bicycle can withstand harsh conditions. No rust, light, and durable, long service life.
  • 【Easy to Install and Remove】- Mounted water bottle holder on handlebar, seatpost in less than a minute. Bike bottle cage adapter is very easy to adjust. You do not have to remove the brake handlebar or the Seatpost, you just have to clamp them.
  • 【Secure and Sturdy】- Our bicycle seatpost adapter is secured with double screws, to ensure a secure and firm grip so you don't have to worry about it falling out while biking.
  • 【Wide compatibility】- This adjustable bicycle water bottle holder adapter comes with two pairs of adapter pads can install it on 0.875-1.25inches(22.2-31.8mm) handlebar, Seatpost. Distance between the two mount holes is 65mm(the punching is standardized). Bicycle bottle cage adapter is almost compatible with most bike and water bottle brackets.
  • 【100% Satisfaction】- Your experience and satisfaction with our product is our goal. If you have any issues, please reach out to us so we can solve for you immediately.
Rank No. 7
Kbrotech Bicycle Water Bottle Cage Holder Adapter Adjustable MTB Road Bike Handlebar Water Bottle...
  • Made of AL7075 Aluminum Alloy CNC-machined,Smooth surface,Rust-proof and durable.
  • Bracket turns 90 degrees to suit mounting position.easy to install and remove.
  • Fits for diameterof seat post: 30.9mm or 31.6mm,Hexagonal Spanners are included.
  • Fits for Handlebars diameter :22.2mm 25.4mm or 31.8mm,with single model you can Install only one bottle cage.With Double model you can Install one bottle cage in middle or two bottle cage on both side, but you can't Install three at once with double model.
  • With two pair adapter pads to fit your bike and makes it stable and heavy duty.
Rank No. 8
Tobefore Saddle Water Bottle Cage Mount Adapter Aluminum Alloy Bicycle Bottle Cage Converter Bicycle...
  • Premium Material: Tobefore double water bottle holder is made by ultra light aluminum alloy, high quality material and manufacturing process for extra strength. Even if after strong impact, it won't distort and fracture.
  • Light and Practical: Tobefore aluminum alloy double water bottle holder can be mounted below the bike rear seat. It can be installed two single bottle cage, and very lightweight, so you could carry more water on your longer rides.
  • Easy to install: Without complicated install method, just put the cup holder in the corresponding position and tighten the screws, you can start using it.
  • Application: Tobefore behind-saddle mounted holder is great for road, mountain, hybrid, touring and electric bicycles.even used for on baby carriage and wheelchair. It is a good gift for you or your friends who like cycling.
  • Note: This specific item is only the adapter so you need to either already have the cages or purchase them with this item. Not compatible with i-beam type saddle. Standard dual rail type only.
Rank No. 9
Triathlon Bike Accessories Under Saddle Bottle Holder Dual Water Bottle Cage Mount - Behind Seat...
  • This behind bike saddle water bottle holder mount consists of one light weight aluminum bottle cage rack and four screws for mounting two bottle cages. It does not include the LED light, CO2 cartridges or bottle cages.
  • Triathlon bike saddle bottle cage mount with multiple configurations. Single bike under seat bottle cage holder and dual behind saddle cage mount. The ideal behind saddle water bottle holder for triathlon and time trial bikes. An extraordinary water bottle holder attaching behind the seat. THE rear hydration system for behind bicycle saddles
  • Referred to as dual water bottle holders or seat bottle holders, these are so much more. The rack will also accommodate Valdora's bright red LED tail light, CO2 cartridges and a CO2 inflator (not included).
  • Attaches to the the horizontal section of saddle rails behind the seat post clamp. Can not be attached to the vertical section of the saddle rails. Works with all ROUND standard saddle rails that are common with higher end road and triathlon bikes. Not for use with I beam style saddle systems or beach cruisers or other cheap bikes. A necessary triathlon or long road riding accessory.
  • Includes behind saddle bottle mount ONLY. If you are looking for a triathlon bike bottle holder you won't be disappointed. Easy access to rear mount bottle cages. The saddle rail bottle cage holder is easy to install.
Rank No. 10
Any Bottle Cage - Anywhere Strap - Most Versatile Bottle Holder
  • ANY BOTTLE/CONTAINER: Fits any bottle, container, cup, or bag up to 2 1/4" to 4 3/4"
  • SIMPLE MOUNTING: Strap will mount to bars- frames up to 3 1/4" diameter
  • EASY: Turn to tighten, Turn to loosen
  • SECURE: Keep your bottle with you, not on the trail
  • DURABLE: Made with Engineered Plastics and Rubber

We hope that this article has helped you choose the best seat mounted water bottle cage for yourself. If you’re still not convinced with the top picks, then you can also check out seat mounted water bottle cage. Lastly, if you still can’t find what you’re looking for, then contact us with your requirements and someone from the team will get back to you with an appropriate option.

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