The TriRig Signature Closed Back Arm Cups offer a high-performance upgrade for triathlon and time-trial cyclists. Crafted from ultra-light, durable ThermoPlast (fiber-reinforced nylon), they strike the perfect balance between strength and weight, providing an exceptional value-driven enhancement to your aero setup.

The closed-back design wraps behind the elbow, delivering superior forearm support to ideal for high-hands or upward-tilt positionslocking you into your optimal aero posture and allowing your upper body to relax while maintaining control.

Each pair comes pre-fitted with textured neoprene pads that provide excellent grip and cushioning. With multiple mounting points and slotted bolt holes, they offer a wide range of adjustability to suit various bar configurations.

TriRig Signature Closed Back Arm Cups Specs at a Glance

• Material: ThermoPlast (fiber-reinforced nylon) ultra-light and durable
• Weight: Approximately 438 g per set
• Design: Closed-back scoop wrapping behind elbow for enhanced support
• Pads: Textured neoprene for superior grip and comfort
• Adjustability: Multiple mounting holes and slotted bolt holes
• Hardware Included: Compatible with most aerobars; includes M5 and M6 bolts

Design Benefits

1. Ergonomic Support: The closed-back design increases contact area and arm wrap, keeping you locked in and reducing upper-body fatigue over long rides.
2. Secure Grip & Comfort: Textured neoprene pads deliver both cushioning and stability during intense efforts.
3. Versatile Adjustability: A range of mounting positions ensures compatibility with diverse cockpit setups.
4. Lightweight & Durable: ThermoPlast construction provides robustness without excess weight.
5. Commit to Aero Position: Closed-back cups serve as a physical stophelping you resist sliding back into less efficient positions once set.

Final Take

The TriRig Signature Closed Back Arm Cups are among the most impactful comfort upgrades for time-trial or triathlon setups. Their robust, adjustable build and ergonomic design help you maintain an aero position longertranslating into more efficient, faster rides.