Cane Creek Ancora Expansion Plug
Best premium expansion plug for carbon steerer tube security.
This is the peace of mind your carbon steerer tube deserves. By prioritizing a secure, knurled grip over aggressive clamping, it eliminates the risk of crushing delicate composites while dialing in your headset preload. It’s a simple, essential upgrade that trades complexity for long-term structural integrity.
$29.99
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Who it's for
- Carbon fork owners seeking a stable and safe headset preload
- Home mechanics looking for a hassle-free component installation experience
- Long-distance riders who prioritize component longevity and structural reliability
Who should skip it
- Budget-conscious cyclists looking for the most affordable headset hardware
- Competitive hill climbers aiming to shave every possible gram
- Owners of vintage or oversized forks requiring specialized fitment options
Performance breakdown
Carbon Safety
Engineered specifically to protect delicate carbon walls from crushing forces.
Installation Ease
Intuitive design makes dialing in headset preload a straightforward, stress-free task.
Grip Security
Knurled sleeve provides exceptional bite to prevent unwanted slippage during rides.
Weight Efficiency
Lightweight aluminum construction keeps your front end agile and responsive.
Component Compatibility
Works seamlessly with standard top caps and bolts for easy integration.
Build Precision
Machined tolerances ensure a perfect, wobble-free fit inside the steerer.
Key Specs
Steerer Tube Diameter
1.125 inches
Steerer Material
Carbon
Material
Aluminum
Weight
25 grams
Insertion Length
46 mm
Contact Surface Length
38 mm
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