The C.I.M. Cage is made to keep a firm grip on your water bottle regardless of the road surface or trail condition. Using long carbon fiber reinforced polyamide, the injection molded cage has a tuned grip and full-contact rails to prevent bottle creep and ejection. Product Details: At 31 grams, the C.I.M. Cage is lightweight while still doing its job. Made in Utah. Tech Specs: Weight 31g Material Composite Injection Molded Bottle Orientation Top Load Cage