This RockBros bicycle frame bag is perfect for carrying your cycling essentials while on the road. It is compatible with road bikes and fits securely onto the frame with a zip closure. The bag is made of durable polyester and nylon material with a waterproof design to protect your items from the elements. With a capacity of 10L, this medium-sized bag features two pockets, a hidden compartment, a phone holder, and a carry handle. It also has reflective bands for high visibility and a double zipper for easy access. The bag is lightweight, weighing only 2 oz, and comes with a 3-month manufacturer warranty. Ideal for cycling enthusiasts, this RockBros frame bag is a must-have accessory for any cycling adventure.