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$39.99
VGOL 2pcs Bicycle Headset Expander 1-1/8 Inch 28.6mm L35mm Compatible with Trek Compatible with Specialized
★★★★★
$39.99
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1
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About this item
- - Compatibility & Fitment: For 1-1/8 inch threadless forks; Compatible with Trek; Compatible with Specialized; Compatible with Giant; fits 25.4-28.6 mm steerers; sets headset preload and stem alignment.
- - Size & Length: 28.6 mm spec with 35 mm body increases internal grip, minimizing slippage in carbon or alloy steerers; supports mountain, road, gravel, and hybrid bikes.
- - Easy Installation: Insert into clean steerer, tighten expander to set, then adjust top cap preload and stem bolts; compatible with standard 1-1/8 inch headsets; uses common hex keys at home or workshop.
- - Durable Build: Aluminum alloy shell and steel wedge provide firm bite and smooth adjustment; black anodized surface blends with most builds.
- - Purpose: Made for headset tuning, replacement, and new assembly.
Product details
Customer reviews
What customers say about Bigamart
10 Trustpilot reviews total, with 2 shown at a time.
Trustpilot
★★★★★
Excellent
4.5 average rating
S
Sigalit
🇮🇱 · January 2026
★★★★★
I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.
V
Verified buyer
🇦🇺 · November 2025
★★★★★
The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.
Showing 1–2 of 10 reviews
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