Best Seat Mounted Water Bottle Cage in 2022: Our Top 10 Picks

Sometimes it might be quite difficult to find the best seat mounted water bottle cage. With every niche market offering so many different products, it makes sense that this is the case.

Unfortunately, this very fact can make it incredibly difficult to find the item that best suits your needs, which is why we’ve put together this seat mounted water bottle cage buying guide.

Our Top 10 Recommendations:

The 10 Top Seat Mounted Water Bottle Cage Reviews:

SaleBestseller 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
Bestseller 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.
SaleBestseller No. 3
ROCKBROS Bike Bottle Cage Adapter Bicycle Seatpost Handlebar Water Bottle Mount Holder Adjustable Aluminum Bottle Cage for MTB Road Bike Beach Cruiser Black
  • ✔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.
Bestseller No. 4
VeloChampion Double Water Bottle Cage Mount Holder. for Cycling Triathlon or Time Trial Bikes. Alloy Black
  • ✅DUAL BOTTLE SYSTEM: The VELOCHAMPION Double Water Bottle Cage Mount offers quick and easy access to water bottles during racing conditions with aerodynamic benefits.
  • ✅FULLY ADJUSTABLE: It mounts easily and adapts to almost any desired height or angle. The cage is very secure and once mounted correctly it does not move or come loose. It is made entirely of alloy metal, so is very durable.
  • ✅IDEAL FOR TRIATHLONS: With this rear mounted adaptor for bottles and cages, you will gain vital aerodynamic benefits during long distance triathlons.
  • ✅COMPATIBILITY: This Mount is compatible with most saddle types (not the i-beam type).
  • ✅ LEASE NOTE: Includes 1 x fully adjustable double water bottle cage holder mount/bracket (does NOT include the saddle, water bottles, bottle cages or bottle cage bolts)
Bestseller No. 5
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.
Bestseller No. 6
Bike Seat Water Bottle Holder | Three Bottle Cage Capacity | Road and Triathlon Specific Aero Design | Attach 3 Bottle Cages (Included) and Two CO2 Cartridges (NOT Included)
  • 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
Bestseller No. 7
Mczxon Bicycle Water Bottle Holder Mount Adapter Aluminium Alloy, Adjustable Road Bikes MTB Water Bottle Cage Mount Adapter Universal Bottle Cage Clamp Easily Install on Handlebar, Seat Post(Black)
  • 【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.
Bestseller No. 8
Kbrotech Bicycle Water Bottle Cage Holder Adapter Adjustable MTB Road Bike Handlebar Water Bottle Holder Seat Post Bottle Mount (Sigle Black)
  • 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.
Bestseller No. 9
Tobefore Saddle Water Bottle Cage Mount Adapter Aluminum Alloy Bicycle Bottle Cage Converter Bicycle Seat Post Double Water Bottle Holder Rack Cycling MTB Bike Accessories
  • 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.
Bestseller No. 10
Bike Bottle Holder with Water Bottle and Mount Mountain Bike Water Bottle Holder No Screws Water Bottle Cages Bike Water Bottles, Kids Bike Water Bottle Holder for Bike (Map Black)
  • Active Adventure 3-in-1 Water Bottle Cage Set: Forget trying to find the right bike bottle that fits your bicycle water bottle holder, or struggling to find the right adapter to fix your bicycle bottle holder on your handlebar or seat post, because from Active Adventure, you get an 3-in-1, easy-to-fit set!
  • Easy To Fit, Won’t Budge! Your bike drink holder comes with a 90 Degree Adjustable Adapter so you can choose to mount with or without holes, horizontal or vertical! Two Spacers let you customize from 22.2 to 31.8 mm diameter. The vice-like clamp and uniquely different square connection makes this bike water bottle holder handlebar and seat post friendly and won’t budge no matter what.
  • Hugs Bottles Tighter: It’s annoying when the bottle pops out of the bike water bottle cage on every bump. But the 2.75” Open-Face Active Adventure Water Bottle Cage holds your bottle tight with consistent pressure, and fits a 20-30oz bottle. Holders available in 6 anodized colors, choose your fave.
  • Topographic Bottle: Non Insulated, BPA Free bike water bottle and cage. The bottle holds 20oz and features an easy no-pull Jet Valve that lets you “Squeeze-Drink-Ride” without fussing around. And you can grab that bottle as many times as you like without the cage or adapter coming loose.
  • Lifetime Warranty: As soon as your water holder for bike, bike waterbottle mount and bottle kit arrive please read your insert card and keep it for your Lifetime Warranty. Then, fix your bike water bottle and holder to your ride and head out on your next Active Adventure… finally hydrated without the hassle.

Last update on 2022-09-28 / Affiliate links / Images from Amazon Product Advertising API

How to find the best seat mounted water bottle cage?

Here, we’ll be going over a number of factors that you can use to ensure that you’re purchasing the best seat mounted water bottle cage for you.

Regardless of which type of item you’re looking to buy, chances are that there are existing buying guides on the internet, all of which aim to give you good seat mounted water bottle cage recommendations.

Despite these recommendations, however, it’s always a good idea to do your own research. In addition to this research, asking yourself the following questions is also super helpful:

  • What features does the seat mounted water bottle cage need to have to be perfect for my needs?
  • What is my budget?
  • Do I need to purchase a certain brand?

Once you’ve answered these questions and have a good idea of what you’re looking for and the buying process becomes much easier. Keep in mind that when looking for the best product, there’s no need to rush. In fact, very rarely are the ideal products found by choosing the first one you see or by basing your decisions on only one factor. Take your time and enjoy the process!

Now, with the answers to the previous questions in mind, we urge you to use our upcoming buying guide for seat mounted water bottle cage to find what you’re looking for:


In some cases, the brand of seat mounted water bottle cage is very important. For example, if you’re looking for an item that works in tandem with another, you might very well need both products to be the same brand. If this is the case, it’s vital to pay attention to this factor, as choosing the wrong product can mean the difference between wasting your money and buying a great product that functions as it should.


The features in any given seat mounted water bottle cage are important because they can dictate which version of an item you need and how much money you need to spend. Consider all the key features that you want your item to have and don’t settle for anything that doesn’t check at least ¾ of your boxes.


Customer reviews about seat mounted water bottle cage are crucial – especially when you’re buying a product that costs a lot of money or serves a big importance. Luckily, most products can be found online, which means that it’s common for there to be scores of customer reviews from those who have already purchased any given product.

Pay attention to these reviews. Take note of the pros and cons that they mention, and factor these into your big decision. In some cases, you’ll be forced to sacrifice one con in order to gain a particular pro, but being aware of the potential con is going to be beneficial in either case.


Of course, quality is key. You don’t want to purchase a low-quality product. If you do, you run the risk of your item breaking, not working properly, or otherwise proving to be very disappointing, as well as a waste of money.

You can compare seat mounted water bottle cage quality by researching what your potential purchases are made from, contrasting the individual items against each other to discern which one is made of the best materials.


Warranty isn’t always going to be important, but it definitely can be. This is especially true if the item in question is tech-related or expensive. A good warranty will be valid for an extended time after purchase and cover a variety of problems ranging from item defects to random accidents, water damage, and other miscellaneous events that could ruin your product.


The quest to find the best seat mounted water bottle cage can be daunting – but it doesn’t have to be. It can be made much easier by asking yourself a few simple questions and then thinking critically about the items you want to buy. Consider their features, quality, brand, warranty, and customer reviews and you’re more likely to make a great purchase.