RongXuan 3K Full Carbon Bicycle Bottle Holder Ultralight and Strong Water Cup for Road Bike MTB Cycling Pack of 2

Ultra-light and strong material: 100% full 3K carbon fibre material - incredibly strong and lightweight (only 20 ± 2g), non-deformable and corrosion resistant. Effectively reduce the weight for long-distance travellers. Advantage: holding force keeps the bottle in place when riding on rough terrain. Very easy to install and remove. The unique and slim design makes it easy to access your water bottle while driving and allows for easier and smoother insertion/removal of the bottle. Fits most standard size water bottles: the carbon bottle holder has a diameter of about 3.15 inches (8 cm), fits a water bottle with a diameter range of 2.83 to 2.91 inches (7.2 to 7.4 cm). Suitable for most types of bicycles, such as MTB/road bike/folding bike. Perfect for all cyclists looking for an elegant cage to facilitate their load while driving.