Signature Arm Cups Options:Open Back Signature Arm Cups ensuring secure retention and easy

ensuring secure retention and easy access

or if you cut one too short and now need additional length

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

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 ensuring secure retention and easySignature 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