Signature Arm Cups Options:Open Back Signature Arm Cups makes the Kappa Saddle Cage

makes the Kappa Saddle Cage the strongest and most reliable option for rear-mounted bottles

Sigma One is both the lightest and most aerodynamic stem in TriRig's lineup

For optimal grip and comfort

enabling precise positioning of arm cups

Wingspan Extender Speed Concept: Optimized Specifically for Trek Speed Concept Disc

Signature Arm Cups Options:Open Back Signature Arm Cups makes the Kappa Saddle CageSignature Open Back Arm Cups: The Ultimate Aero Comfort Upgrade The TriRig Signature Open Back Arm Cups are designed for comfort and performance. Crafted from our ultra strong, lightweight ThermoPlast material, these arm cups offer superior strength and durability at our most affordable price point ever. Triathletes and time trial cyclists who use our Signature Open Back Arm Cups stay comfortable in the aero position longer due to the textured