Quick Summary
The ROCKBROS bike water bottle holder is an ultralight bottle cage for bikes with pre-drilled threaded holes. It comes with screws and a 3 mm Allen wrench, and the stated weight is 35 g.
The cage is described as using PC material and as fitting most cycling water bottles. The product page also notes a colorful design and says to check for threaded holes on the bike frame before buying.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Brand | ROCKBROS, which identifies the product line. |
| Product type | Bike water bottle holder / bottle cage for carrying a bottle on a bicycle. |
| Weight | 35 g, a light stated weight for riders who want to keep added bulk low. |
| Material | PC material, which is the stated cage material. |
| Included items | 2 screws and 1 3 mm Allen wrench. |
| Installation requirement | Intended for bikes with pre-drilled threaded screw holes. |
| Fit note | Designed to fit most sized cycling water bottles. |
What to Compare Before Buying
- Frame mounting points: Check that your bike frame has the required threaded holes before choosing this holder.
- Bottle size: The cage is described as fitting most cycling water bottles, so compare it with the bottle you plan to carry.
- Included hardware: Confirm that the selected offer includes the screws and 3 mm Allen wrench if those matter for your setup.
- Material preference: Compare the stated PC material with the look and feel you want for your bike.
- Mounting style: Make sure a fixed bottle-cage mount is the right type for your frame and riding setup.
Before You Decide
Check the exact mount points on your bike frame, the bottle size you use, and whether the screws and 3 mm Allen wrench are included with the offer you choose. The holder is a fixed bottle cage, so it works best when your frame has the right threaded holes already in place.





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