Profile Design 4525a Extensions
Best durable extensions for riders seeking easy installation and reliable performance.
These extensions prioritize versatility, offering a dual-bend geometry that lets you toggle between a high-shrugged position and a more open, aggressive posture. While the aluminum construction adds a bit of weight compared to carbon, the ability to fine-tune your hand width makes them a smart, adaptable choice for dialing in your aero fit.
$49.99
Who it's for
- Cyclists seeking personalized aerodynamic comfort and performance.
- Athletes needing dependable equipment for training and racing.
- Riders wanting to enhance speed without a significant investment.
Who should skip it
- Elite racers prioritizing minimal weight for competitive advantage.
- Long-distance riders sensitive to road vibrations and seeking maximum comfort.
- Cyclists desiring a premium, integrated aesthetic for their bike setup.
Performance breakdown
Ergonomic Versatility
Dual-bend geometry accommodates both aggressive and relaxed riding postures effortlessly.
Build Durability
6061-T6 aluminum offers a robust, reliable foundation for long-distance training.
Adjustment Precision
Lateral shift options allow for fine-tuned hand width without compromising stability.
Cable Integration
Pre-drilled routing keeps cockpit setups clean and aerodynamically efficient.
Weight Efficiency
Solid construction adds minimal weight while maintaining necessary structural integrity.
System Compatibility
Standard 22.2mm diameter ensures seamless integration with most existing aerobar systems.
Key Specs
Material
6061-T6 Aluminum
Length
400mm
Clamp Diameter
22.2mm
Weight
200g per pair
Bend Angles
45° and 25°
Cable Routing
Rear exit
Compatibility
22.2mm aerobar clamps
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