Rhinowalk Bike Bag 2.1L/2.7L Bicycle Frame Under Tube Bag Dirt-resistant MTB Road Gravel Bike Triangle Storage Bag 1 Piece Sale

The reviewer tested the Rhinowalk Bike Bag 2.7L frame bag and was impressed with its design and functionality. They highlighted its multiple attachment points, dual compartments, and affordable price. However, they found that despite being advertised as waterproof, it is not actually waterproof, only water-resistant.