"Seamless welding and waterproof TPU material to prevent rainwater infiltration. A great partner for urban riding and racing. Size: 22*5.5*5.8 cm. Support board makes the bag firmer and more stable, protecting items from damage. Windbreaking design that doesn't touch the legs when the bike swings and reduces wind resistance. Two installation methods, screws and Velcro straps, depending on different bike frames. Hole diameter is 5 mm and suitable for M5 screws. Accessories: Bag*1, Velcro straps*3, screws*4, spacers*8."
