Check the listing for details. Profile Design RZ3 Aero Water Bottle with Cage. Color: Gray, Condition: New. Listed at 41.95 USD. NEW Profile Design RZ3 Aero Water Bottle with Cage The RZ3 improves upon the previous generation's aero frame bottle design, not only does it comply with UCI regulations, but also offers an improved overall shape.Compared to the RZ2 the RZ3 has a lower profile in order to make it a bit easier to installRZ3 also optimizes the water bottle cage, allowing you to to take out the water bottle with ease. Opaque for easy viewing of contentsSoft material that is easy to squeezeBPA freeInjection Composite Cage Mounts to any standard bottle cage bossesSPECSBottle Construction: BPA-Free, Food safe HDPE BottleBottle Capacity: 17oz (510ml)Compatibility: Standard Cycling Bottle Cage BossesCage: Injection Composite CageColors: Opaque GreyWeight: 125g