{"product_id":"profile-design-asc-pro-43-aerobar-extensions-for-a2-a3-riser-systems","title":"Profile Design ASC PRO 43 Aerobar Extensions for A2 \u0026 A3 Riser Systems","description":"\u003cp\u003eThe Profile Design Aerobar Extensions - ASC PRO 43 represent the pinnacle of aerodynamic innovation and ergonomic design for serious triathletes and time trialists. Crafted from one-piece carbon construction, these extensions deliver exceptional stiffness and durability while maintaining a lightweight profile that enhances your bike’s overall efficiency. The sleek, integrated design minimizes drag, helping you slice through the air with greater ease and speed.\u003c\/p\u003e\n\n\u003cp\u003eComfort is at the forefront of the ASC PRO 43’s design, featuring 43ø grips and high-sided arm cups inspired by the Race+ shape to ensure a secure and comfortable fit from elbows to wrists. Adjustable reach and width settings via alloy brackets allow you to customize your position precisely, while the consistent padding surface reduces pressure points and maintains contact during long rides. Available in three lengths—325mm, 350mm, and 375mm—these extensions accommodate a variety of rider preferences and body types.\u003c\/p\u003e\n\n\u003cp\u003eCompatibility is seamless with the A3 and A2 riser systems, and the inclusion of an A2-A3 adaptor broadens fitting options. The base angle of 15ø, adjustable with optional tilt wedges, offers an optimal foundation to fine-tune your aerodynamic posture. The ASC PRO 43 is engineered to combine performance, comfort, and adaptability, making it an essential upgrade for riders focused on maximizing their race day results.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eEnhancing aerodynamic efficiency for time trials and triathlons\u003c\/li\u003e\n  \u003cli\u003eProviding ergonomic comfort through specially designed grips and arm cups\u003c\/li\u003e\n  \u003cli\u003eOffering customizable fit with adjustable reach, width, and base angle settings\u003c\/li\u003e\n  \u003cli\u003eEnsuring durable, lightweight strength with one-piece carbon construction\u003c\/li\u003e\n  \u003cli\u003eCompatibility with A3 and A2 riser systems for versatile installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat It’s NOT Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCasual or recreational cycling where advanced aerodynamic positioning is unnecessary\u003c\/li\u003e\n  \u003cli\u003eUse with handlebar systems outside the A2 and A3 riser compatibility without proper adapters\u003c\/li\u003e\n  \u003cli\u003eRiders who prefer non-carbon or modular handlebar extensions\u003c\/li\u003e\n  \u003cli\u003eSituations requiring quick-release or frequently adjustable extensions during rides\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eAre the ASC PRO 43 extensions compatible with all Profile Design risers?\u003c\/strong\u003e\u003cbr\u003eThe ASC PRO 43 extensions are specifically designed for the A3 and A2 riser systems. With the A2-A3 adaptor, they can be fitted to the A2 system, but compatibility with other risers is not guaranteed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I adjust the fit of these aerobar extensions?\u003c\/strong\u003e\u003cbr\u003eYou can adjust both reach and width using the alloy brackets, which feature two positions for each. Additionally, the brackets can be flipped and reversed, and optional tilt wedges allow you to modify the base angle by 10ø or 25ø to customize your riding position perfectly.\u003c\/p\u003e","brand":"Profile Design","offers":[{"title":"325 mm \/ Black","offer_id":45986048966831,"sku":"PRASCP43EXT325","price":744.04,"currency_code":"GBP","in_stock":true},{"title":"350 mm \/ Black","offer_id":45986048999599,"sku":"PRASCP43EXT350","price":744.04,"currency_code":"GBP","in_stock":true},{"title":"375 mm \/ Black","offer_id":45986049032367,"sku":"PRASCP43EXT375","price":744.04,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/prascp43ext350.jpg?v=1768534022","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/profile-design-asc-pro-43-aerobar-extensions-for-a2-a3-riser-systems","provider":"Swinnerton Cycles","version":"1.0","type":"link"}