Profile Design 39a Aerobar Extensions
Best ergonomic upgrade for triathletes seeking improved wrist comfort.
These extensions offer a versatile double-bend design that balances aerodynamic efficiency with rider comfort. The increased rise and adjustable offset allow for a customized fit, making it easier to maintain a stable, powerful position during long rides.
$66.00
Who it's for
- Endurance triathletes seeking comfort over long distances
- Cyclists looking to customize their current cockpit setup
- Budget-conscious racers prioritizing durability and value
Who should skip it
- Weight-obsessed racers seeking every possible gram of advantage
- Home mechanics who prefer simple and quick maintenance
- Riders requiring highly specific or adjustable grip angles for precision fitting
Performance breakdown
Ergonomic Adjustability
Double-bend geometry offers versatile hand positions for varied riding styles.
Aerodynamic Efficiency
Sleek shaping minimizes drag while maintaining a comfortable, aggressive posture.
Build Durability
6061-T6 aluminum construction balances lightweight performance with long-term structural integrity.
Installation Ease
Pre-drilled routing ports simplify setup for both mechanical and electronic shifters.
Weight Optimization
At 206 grams, these extensions provide a competitive weight-to-strength ratio.
Grip Security
Ergonomic end caps ensure a confident hold during high-speed efforts.
Key Specs
Material
6061-T6 Aluminum
Extension Angle
39 degrees
Weight
206 grams
Length
400 mm
Clamp Diameter
22.2 mm
Shifter Compatibility
Electronic or Mechanical
Color
Matte Black
Know before you buy
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Ask Metto anything about the Profile Design 39a Aerobar Extensions before you decide.