The TriRig Closed Back Carbon Arm Cups combine a minimalist design with maximum performance for triathletes and time trialists looking to upgrade their cockpit. Crafted with lightweight carbon fiber, these cups weigh only 275 grams per set, offering exceptional strength with minimal bulk. The closed-back shape dramatically increases elbow support, making them ideal for high-hand or upward-tilt positions. These cups expand your adjustment range with additional mounting points and slotted bolt holes, accommodating a wide variety of fit preferences. The increased arm wrap and surface area improve ergonomic comfort, helping riders push on longer. Textured neoprene pads ensure reliable grip and cushioning through long rides. The Closed Back Carbon Arm Cups are a standout upgrade for athletes aiming for their fastest, most comfortable position.