The ultra thin and sleek bottle cage is the lightest of Ibera"s bottle cages, weighing only 29g, constructed from lightweight heat-treated aluminum alloy. Other bottle cages usually weigh from 40g to 70g. The bottle cage is light, but still has the strength of a regular bottle cage. The oval and ergonomic design helps to strengthen its hold, keeping bottles securely in place while providing easy access for riders. Great for rides around town or for touring. At only 29 grams, it is perfect for those who want a stylish cage to lighten their load as they ride. 2 glossy finishes in a carbon pattern and white and 2 matte finishes in black and silver make it easy to match bikes of all colors. Fits most standard-sized bottles. Note: Not for rough or off-road riding. Specifications Material: Heat-treated aluminum plate Weight: 29 g (1 oz.) Dimensions: 5.75" x 3.25" x 3.25".