RM-10The RM 10 is designed specifically for bikes featuring the Ritchey 10mm Saddle Clamp standard. It enables the rider to replace the cylinder nuts that secure the clamp to the seatpost with a bracket that holds a hydration system. The Arch clamp allows for 14of adjustment allowing the cage to slide under saddles with a transition tab. To add to the versatility this system can run 1 or 2 cages to customize for training or racing. Replaces the cylinder