Bottle Cage Adapter Brackets of 2025
Best Choice1
ROCKBROSROCKBROS Bike Water Bottle Cages Saddle Cage Converter with Adjustable Angle Aluminum Alloy Lightweight Bicycle Bottle Holder Saddle Mount Adapter Suitable for Road Bike MTB
Main highlights- UNIVERSAL FIT: This bike water cage adapter is designed to be mounted on the rear seat of road and mountain bikes and is suitable for most water bottle cages. Designed for cycling enthusiasts, it not only holds two bottle cages at the same time for easy access to water bottles, but also makes perfect use of pillion space.
- QUICK INSTALLATION: The bike seat water bottle holder is easy and quick to install.First, using allen wrench to loosen the bolts.Next fix the adapter on the back seat bracket and adjust the angle you want. Then tighten the bolts and the installation is done. Easy to install and remove. Warm Tips:The water bottle and water bottle holder in the product picture are not included.
- POST-SEAT SPACE UTILIZATION: Our water bottle extension bracket can be installed with two water bottle holders at the same time, providing you with sufficient hydration for extra long rides. In addition, this holder is also compatible with bike tail bag, which largely utilizes the space on the back seat to carry more needed accessories for your long distance rides.
- LIGHTWEIGHT AND STRONG: ROCKBROS bike water bottle cages saddle cage converter is made of sturdy aluminum alloy, weighting about 98g (0.2lb).This water bottle bike mount won't add burden to your ride and let you travel easily. With CNC anodized process, which makes it comfortable in your hand. Also, it is not easy to rust and no need to be afraid of rain erosion.
- ADJUSTABLE ANGLE: This bike water bottle holder saddle mount adapter provides a new way to carry your water bottle, not only can it be easily adjusted to any angle for compatibility with water bottles in various models, but also makes it easier for you to reach your water bottle and refill it during your ride.
9.9Exceptional
View offer on:
Show more
- Curious about how we select the top products for you? Explore How It Works
Value for Money2
VarstromElectric Bike Battery Adapter Bottle Cage Bracket - Aluminum Adapter Frame Mount for Hailong Downtube Battery, Compatible with Various Bicycle Frame
Main highlights- Universal use:This mounting base can fit with most bikes,you just need make sure there are two holes on your downtube of frame
- Package include:1×mounting base, 4×M5*12 hardware screw
- Multi-purpose:It can be used to install the battery and bottle cage.Making your downtube battery very sturdy and has bigger space to put another bottle cage
- Material size:The mounting base is made of durable AL6061 aluminum. Size:10.49×1.18×0.16in. Weight:0.22lb. Seven-hole design is easy to adjust the position, suitable for most bicycles
- Convient mounting:It's the easy and best way to add Hailong downtube batteries to your bike without drilling and riveting new holes
9.8Exceptional
View offer on:
Show more
3
CestbonCestbon Bike Bottle Cage Adapter Bicycle B-RAD Mounting Base Adjustable Bottle Mount Alt Position Cage Bracket (2 Slot)
Main highlights- ؠTorque: 3-4 Nm
- ؠReasonable structure, lightweight and durable
- ؠMaterial: 6061-T6 Aluminum bracket CNC machining
- ؠAnodized to match bicycle bottle cage
- Designed for bicycle or stroller water bottle cage, for fixing the water bottle cage and adjusting the best position of the water bottle cage
9.6Exceptional
View offer on:
Show more
4
KbrotechBicycle Water Bottle Cage Holder Adapter Adjustable MTB Road Bike Handlebar Water Bottle Holder Seat Post Bottle Mount (Sigle Black)
Main highlights- With two pair adapter pads to fit your bike and makes it stable and heavy duty.
- Made of AL7075 Aluminum Alloy CNC-machined,Smooth surface,Rust-proof.
- 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.
- Bracket turns 90 degrees to suit mounting position.easy to install and remove.
9.5Excellent
View offer on:
Show more
5
Active AdventureBike Water Bottle Holder Adapter for Handlebars or Seat Post Water Bottle Holder Adapter Black Anodized Handlebar Cage Mount Seat Post Water Bottle Cage Adjustable MTB Road Kid Bike Beach Cruiser
9.5 Easy installation9.1 worth the money8.9 DurabilityWhy we love it
Sturdy clamp keeps bottle holder secure on rough terrains.
Adjustable mount fits various bike parts without drilling.
High-quality design with versatile installation options.
9.3Excellent
View offer on:
Show more
6
HOUSONHOUSON 2 PCS Bike Bottle Cage Adapter, Bottle Mount Adapter Water Bottle Cage Mount Brackets Water Bottle Holder Mount
Main highlights- 【Wide Usage】This aluminum bottle cage adapter is ideal for fixed gear bikes, downhill bikes, mountain bikes, road bikes, racing bikes, motorcycles, etc.
- 【Robst】The bottle cage adapter is strong. The bottle does not fall even on uneven roads or curves.
- 【Package】2 pieces bike bottle cage
- 【Moving】With its practical elongated holes, it allows the bottle holder holes to be moved.
- 【MATERIAL】The bike bottle cage mounting adapter is made of aluminum alloy, which is wear-resistant, durable, hard and not easily damaged. Can be used for a long time.
9.0Excellent
View offer on:
Show more
7
PLATTPLATT Bike Alt-Position Bottle Cage Mounts,Bike Bottle Cage Adapter,Bicycle B-RAD Mounting Base (Black,3 Slot)
Main highlights- The 3 Slot Base provides additional adjustment and mounting options.you can mount a bottle cage in the forward threaded holes with a B-RAD accessory tucked behind it.
- The 2 Slot Base can move the water bottle to an optimal location,ensure you can set your hydration at the most comfortable and least distracting spots on your bike.
- PLATT B-RAD Mounting Base can relocate the water bottle or other accessory mounts on most bikes even on a smaller or dual suspension frame.
- Material: Made of 6061-T6 aluminum alloy, CNC machining. Which is hard, reliable, long lasting, and not easily damaged.
- APPLICATION :Universal for Most Road Bike MTB BMX
8.7Very Good
View offer on:
Show more
8
CosmosCosmos 2 Pcs Bike Water Bottle Cage Adapter Adjustable Bicycle Bottle Cage Mount Brackets 2 Slots Cycling Water Bottle Holder Mounting Base for Mountain Road Bike (Black)
Main highlights- Wide Application: Compact and lightweight, this bike water bottle cage adapter is a must-have accessory for bike enthusiasts. Perfect for road bikes, mountain bikes, track bikes and more
- Reliable Material: Our bike bottle cage mounting adapter is made of aluminum alloy, with screws and wrench, which is durable and not easy to break or bend, providing stable support for your bottle cage
- Package Included: You will receive 2 sets of bike bottle cage adapter, each including a bike bottle cage adapter (2 slots), 6 screws and 1 wrench
- Easy to Install: Equipped with screws and wrench, you can easily and quickly install the bike bottle cage mount bracket by yourself, and this mounting method is more secure than traditional hooks
- Adjustable Mounting Position: 2 Slot base design makes the water bottle cage adapter adjustable up and down, you can adjust to a comfortable position and then fix the adapter
8.5Good
View offer on:
Show more
9
GUBGUB Bicycle Bottle Cage Adapter Mount Adjustable MTB Road Bike Handlebar Water Bottle Holder Seat Post Mount (Black)
Main highlights- With two pair adapter pads to fit your bike and makes it stable and heavy duty.
- Made of AL7075 Aluminum Alloy CNC-machined,Smooth surface,Rust-proof .
- Fits for diameterof seat post: 30.9mm or 31.6mm
- Fits for Handlebars diameter :22.2mm 25.4mm or 31.8mm
- Bracket turns 90 degrees to suit mounting position.easy to install and remove.
8.4Good
View offer on:
Show more
10
SKS-Germany16% OffSKS Germany Anywhere Adapter Bottle Cage Mount
Main highlights- Straps come in a length to fit any size frame up to 250mm in circumference
- Sport type: Cycling
- Easily mount a watter bottle where ever it is needed
- Also can be used to mount other accessories and tools
8.3Good
View offer on:
Show more
Similar products on Amazon
