This Aeroman Hydration Carrier is a durable and dependable addition to your hydration setup, this carrier attaches to your saddle rails and adds additional hydration storage to the rear of your bike while remaining aerodynamic. This carrier can carry two bottle cages and enables the choice of three angles to position them for optimal riding comfort and aerodynamic positioning. When this bracket is kitted out with hydration bottles, it ensures your thirst will be held off for longer during the most demanding cycle routes.   Specification Material: 6061 aluminium. Size: 170 x 72 x 68mm. Weight: 105g (including hardware). Includes: 9mm carbon rail mounts.