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Profile Design 39a Aerobar Extensions – ergonomic aero position for maximum efficiency
The Profile Design 39a Aerobar Extensions offer the perfect combination of aerodynamics, comfort and individual adjustability for time trial, triathlon and aero bike setups. The aluminium extensions from the Alloy II series feature a special 39a shape that supports a natural wrist position and helps riders achieve an efficient and comfortable aero position.
Thanks to the wide range of adjustability, the extensions can be precisely tailored to individual needs. The defined rise and offset allow fine adjustment of the arm and hand position without affecting other aspects of the bike fit.
Product features
- Ergonomic 39a shape for a natural wrist position
- Lightweight aluminium construction from the Alloy II Extension series
- Optimised for an aerodynamic and comfortable riding position
- Fine adjustment of the wrist angle without changing other fit parameters
- Ergonomically shaped end caps for a more comfortable grip area
- Suitable for aerobars with a 22.2 mm clamp diameter
- Available in two lengths: 340 mm and 400 mm
Technical data
- Material: Aluminium
- Extension outer diameter: 22.2 mm
- Length: 340 mm or 400 mm (depending on selection)
- Extension offset: 15 mm
- Extension rise: 87.3 mm
- Weight: 206 g (pair)
Scope of delivery
- 1 × pair of Profile Design 39a Aerobar Extensions
2677 El Presidio Street, Long Beach, California 90810, USA
www.profile-design.com
Otto-Hahn-Str. 17, 65520 Bad Camberg, DE
www.grofa.com/de/contact-de
At the Bike-Packing Shop, we're a family-run business from the Westerwald region in Germany with a passion for bike travel. We carefully select products that help adventurous cyclists explore the world independently and achieve their cycling goals.
Sustainably packaged.
Nature is very important to us. That's why we avoid unnecessary plastic and rely on packaging material made of paper or cardboard. If your package does contain plastic filling material, this is material from our suppliers which we have reused.