• Seamless welding and waterproof tpu fabric material to prevent rainwater infiltration. streamlined and aerodynamic design reducing wind resistance without touching the legs. a good partner for urban riding and racing. Size: 8.66*2.28*2.16 inch
• Support board makes the bag more firm and stable and protect the items from damaged
• Wind-breaking shape design, swinging the bike will not touch legs, and reduce wind resistance
• Two installation methods,screws and straps, depends on different bicycle rack. hole diameter is 5 mm and is suitable for m5 screws
• Accessories: bag *1 / velcro straps*3 / screws*4 / spacers*8