Profile Design A3A Low Riser Kit (5/10/20mm)

The Profile Design A3A Low Riser Kit is a comprehensive package developed specifically for precise height adjustment of your cockpit on a time trial or triathlon bike. This kit comes complete with size-specific risers and corresponding mounting bolts, ensuring a stable and secure installation. Specifically, this set contains six spacers distributed across three different heights, providing two pieces of 5 mm, two pieces of 10 mm, and two pieces of 20 mm. These components give you the opportunity to experiment with and build different combinations to achieve just the right position. Structurally, the included risers are manufactured in durable lightweight alloy, while the robust mounting bolts are made of steel for maximum strength. The entire set comes in a sleek black finish that visually complements modern bike setups. Regarding weight specifications, an individual 5 mm alloy spacer weighs just 5 grams, while the total weight for the entire set, which provides a maximum stack height of up to 35 mm, amounts to 594 grams including all hardware. This ensures a reliable solution that does not add unnecessary weight.

These high-quality spacers for triathlon bikes deliver a wide range of essential benefits for both recreational riders and professional athletes who wish to optimize their performance on the bike. The primary function of this set is to adjust the height of your aerobars and arm pads relative to your base bar, which is crucial for achieving a professional bike setup. By fine-tuning this height, the rider can achieve significantly improved aerodynamics, reduce wind resistance, and thereby achieve so-called marginal gains during competitions such as an Ironman or time trials. Furthermore, the correct height of the arm pads plays a fundamental role in significantly increasing riding comfort and reducing physical fatigue in the neck, shoulders, and back during long training sessions. This is because even a difference of a few millimeters can change your riding position and improve the body's ergonomics, as well as ensure a more efficient power transfer directly into the pedals. The flexibility of this kit makes it possible to make continuous adjustments as your personal mobility, back strength, or general preferences change over time. Thanks to the well-thought-out design, the cockpit's overall strength and functionality are fully maintained, even when you adjust the heights.

The Profile Design A3A Low Riser Kit ensures highly precise cockpit adjustment by offering a modular construction with multiple spacer heights that can be easily combined. The kit is specifically developed to be fully compatible with modern Profile Design systems, including specifically the Wing 20C+ and Wing Ultimate aerobar systems. The system is built around the advanced A3 riser standard, ensuring a completely precise fit and optimal stability even under heavy mechanical load. For riders using the older A2 riser system, this kit also offers backward compatibility, provided it is used in conjunction with a specific A2 to A3 adapter kit. It gives the rider the freedom to build exactly the stack height that matches their individual anatomy and riding style, up to a maximum height of 35 mm. Installation is performed quickly as an integrated part of the bike's existing system, providing a streamlined and professional-looking setup. However, the manufacturer specifies important safety guidelines for use, including that bikes with carbon products should not be transported in soft bags, and that components with visible damage must be immediately taken out of use. This ensures a safe and reliable adjustment that withstands both intensive training and demanding competitions.