Elevate your performance with the Profile Design 52a Aluminum Aerobar Extensions, engineered for serious cyclists seeking precision, comfort, and aerodynamic efficiency. Crafted from aluminum, these 400mm black extensions are designed to optimize your aerodynamic position while providing versatile hand positioning options for long rides and race day. Materials & Durable Construction Constructed from lightweight, durable aluminum, the 52a extensions deliver reliable strength and corrosion resistance, ensuring longevity and consistent performance. The sleek black finish not only adds a professional look but also resists scratches and wear. Innovative Performance & Engineering Designed with a 52-degree grip angle, these aerobar extensions allow riders to choose between a high, relaxed hand position or a more aerodynamic, head-up stance. The 7.5mm lateral shift per side offers customizable width for tailored fit and comfort without compromising aerodynamic profile. The extensions are engineered to support cable routing out the rear, eliminating the need for hidden or unsightly cable exits, which reduces drag and simplifies installation. Advanced Components & Compatibility The 22.2mm clamping diameter ensures secure attachment to a wide range of aerobars. Fully compatible with both electronic and mechanical shifters, these extensions are ideal for time trial, triathlon, and road racing setups. The pre-drilled design facilitates clean cable routing for both bar-end shifters and internal cable management, enhancing bike aesthetics and performance. Versatile Style & Use Cases Perfect for triathlon, time trial, and competitive road cycling, the Profile Design 52a Aluminum Aerobar Extensions provide options for optimal hand positions that improve aerodynamics, comfort, and control. Whether chasing race PBs or smashing training goals, these extensions give you the adaptability and performance edge needed for high-end cycling performance. Upgrade your cock