Quick & Easy access to your bike water bottle when you need it. Great for road, mountain, hybrid, touring & electric bicycles. Buy a bottle cage to stay hydrated for those extra long rides, so you can enjoy your long rides,or as the perfect gift for a nice ride with your family and kids in the spring, a good water bottle holder is essential. The water bottle cage is made of CNC machined PC material, heat treated for a strong and lightweight design. Use your foot to step on the water bottle cage for road bike, bike crush, the cycling water bottle cage will not even crack, the weight-bearing capacity is very strong, worth having. The most important thing is that it is only 1.24oz (35.2g). It will not give you any extra burden during the ride, so you can travel easily. The water bottle holder has arms that wrap around the bottle for a secure and firm hold so you don't have to worry about it falling out during your ride. Make sure a full water bottle is securely fastened while riding, whether you're riding fast on the road or on bumpy trails. t takes less than 60 seconds to install these bike water bottle cages. Use a 3mm allen wrench to secure the stainless steel bolts to the bike rack. Easy to install and remove. IMPORTANT: Please check your frame for threaded holes (for mounting mountain bike water bottle cages) before purchase. This lightweight bike bottle carrier is designed to fit most sized of cycling water bottles. Specifically designed for a cyclist, it allows you to access your water bottle while riding easy access at all times. Mount both cages on your bike for maximum hydration. Please don't worry, these Bike Water Bottle Holders are designed to be used for long term,if you receive your shipment and are missing bicycle bottle pocket accessories, please inform us and we will follow up closely.