Introducing the 52ASA – the next evolution of our wildly popular Aero Shaped Carbon (ASC) extensions, now available in a sleek, high-performance aluminium.
Crafted with an advanced multi-stage forming process, the 52ASA brings the same arm-hugging benefits of our iconic shaped extensions, all at a more affordable price. Designed for cyclists seeking aerodynamic advantage without the premium carbon price tag, these extensions deliver the ergonomic shaping that reduces wind resistance and improves riding position. The durable aluminium construction maintains the precision engineering you expect from PROFILE DESIGN, offering reliable performance across varied terrain and conditions. Perfect for road cycling, triathlons, and long-distance riding where every advantage counts.
Features
- Designed to have a minimal frontal area to create as little aerodynamic drag as possible
- Inclination of 52° for the grip
- Offers a comprehensive adjustment range
- Suitable for electric and mechanical shifting
Specification
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Construction: 6061-T6 aluminum, pre-drilled for bar-end shifter cable routing
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Extension Length: 340mm or 400mm
- Min Length: 340mm: 225mm or 400mm: 285mm (from the front of clamp)
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Extension Angle: 52 Degrees
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Extension Rise: 137mm (bottom to top)
- Extension Offset: 16mm total
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Outer Diameter: 22.2mm
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Inner Diameter: 19.2mm
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Shifter Compatibility: Electronic or Mechanical
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Includes: Sold as a Pair (1 Right and 1 Left Extension)
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Colours: Anodized Matte Black
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Weight: 400mm: 304g/pair or 340mm: 250g/pair
Contents
- 1 x Profile Design 52 ASA Aluminium Extensions
