Strongly-gripped hinge, fix the holder tightly Material: Aluminum Alloy 1 x Bike Water Bottle Holder Color: Black/Silver/Red/Blue/Gold Small size and light weight : 3.15 x 3.11 x 5.9 inch / 8 x 7.9 x 15cm Fixed with two self-tapping screws (not included) Sturdy structure, from deformation damage Suitable for varied types of bikes, including bike and folding bike Convenient to drink from a bottle holder and practical design Useful for bikes which have no holder or inadequate for a frame holder Bike Saddle Bag under Seat Bike Lite Cycling Mens Bright Bike Lights for Night Riding Man Bike Useful For Bikes Which Have No Holder Or Inadequate For A Frame Holder Basket for Back of Bike Tire Scooter Folding Bicycles for Men Bikes for Teens Bike Back Rack Bag Convenient To Drink From A Bottle Holder Kids Bike Bag Luggage Rack for Bike Bike Handlebar Light Folding Scooter Bike Kids Folding Bike Material: Aluminum Alloy Bike Seat Storage Bike Extension Big And Tall Bikes for Men Folding Bicycles Flashing Bike Lights 1 X Bike Water Bottle Holder 1000 Bike Bike Lights for Night Riding Battery Bike Pouch Bag Bike Bag Air Travel Half Bike Sturdy Structure, From Deformation Damage Bike Packing Bags Bike Head Lights Cool Bike Cycling Bags for Road Bikes Mini Bike Rear Wheel