Enhance your cycling adventures with this versatile and great bike water bottle cage adapter. Its lightweight aluminum alloy construction ensures it won't add unnecessary weight to your bike, while its secure mounting system keeps your water bottle stable even on bumpy rides. Stay hydrated and enjoy a more comfortable ride with this essential bike accessory. Features -Color:Light Grey -Material:Aluminum alloy -Size:7.50X1.30X0.80cm/2.95X0.51X0.31in (adapter parts) -Size:5.00X3.50X1.00cm/1.97X1.38X0.39in (adapter parts) -Size:5.00X0.50X0.40cm/1.97X0.20X0.16in (adapter parts) -Size:3.00X1.00X0.50cm/1.18X0.39X0.20in (black circle) -Size:3.20X0.60X0.60cm/1.26X0.24X0.24in (long screw) -Size:1.40X1.00X1.00cm/0.55X0.39X0.39in (short screw) -Size:5.00X1.50X0.20cm/1.97X0.59X0.08in (wrench) -Note: suitable pipe diameters: 22-40mm -Bottle cage holder adapter: aluminum alloy ensures performance and resistance to wear and tear during frequent use - system: streamlined installation process makes it easy to secure your bottle cage in seconds, great for travel cyclists -Bottle holder adapter: provides reliable support for your water bottle, even on rugged trails, enhancing your riding confidence -Practical: practical and convenient use, making it a versatile choice for various cycling adventures -Dual tube compatibility: works seamlessly with both horizontal and vertical bike frames, offering flexible mounting solutions Package list: 4 x bike bottle holder adapter 8 x long screws 12 x short screws 4 x wrench