Profile Design 35 SLC Extensions
Best lightweight carbon extensions for cyclists seeking an ergonomic, streamlined aero position.
These carbon extensions prioritize weight savings and clean integration, making them a serious upgrade for riders chasing a more aerodynamic position. While the aggressive ski-bend shape demands a specific wrist angle, the refined, lightweight construction and internal cable routing make them an ideal choice for dialing in a fast, clutter-free cockpit.
$198.00
at
Profile Design
Who it's for
- Climbers seeking to shave grams for faster ascents
- Long-distance triathletes prioritizing comfort and aero efficiency
- Cyclists building a clean, modern electronic cockpit
Who should skip it
- Budget-conscious riders looking for value-focused components
- Mechanics or riders prone to over-tightening hardware
- Cyclists needing specific or adjustable wrist angles
Performance breakdown
Weight Optimization
The SLC construction significantly reduces mass for competitive climbing and acceleration.
Ergonomic Alignment
The 35-degree ski bend promotes a natural, streamlined wrist position.
Integration Capability
Aeroport compatibility makes internal Di2 routing seamless and clutter-free.
Compatibility Range
Standard 22.2mm clamping diameter ensures fitment with most existing aerobar setups.
Cable Management
Rear-exit routing keeps the cockpit clean and aerodynamically efficient.
Material Stiffness
Carbon layup balances vibration damping with necessary rigidity for power transfer.
Key Specs
Extension Shape
35 deg ski bend
Diameter in clamping area
22.2mm
Length
400mm (can be cut to size)
Routing
Drilled for rear-exit cable routing
Know before you buy
Still have a question?
Ask Metto anything about the Profile Design 35 SLC Extensions before you decide.