Bike Water Bottle Cages Bicycle Lightweight Aluminum Alloy Bottle Holder.

Mountain Bike Water Bottle Holder.

Bike Water Bottle Holder With Screws, 6061 aluminum alloy material, after the surface is anodized, the surface is smooth and does not drop paint. Its corrosion resistance, hardness, wear resistance, insulation, and heat resistance have been greatly improved. The water bottle cage diameter can be adjusted 2.7” to 3”. Fits most standard-sized water bottles.