const updateHeaderMetrics = () => { const header = document.getElementById('header'); const rect = header.getBoundingClientRect(); const headerHeight = rect.bottom; document.documentElement.style.setProperty('--header-height', `${headerHeight}px`); }; window.addEventListener('DOMContentLoaded', updateHeaderMetrics); window.addEventListener('resize', updateHeaderMetrics); const header = document.getElementById('header'); const resizeObserver = new ResizeObserver(entries => { for (let entry of entries) { const rect = entry.target.getBoundingClientRect(); const headerHeight = rect.bottom; document.documentElement.style.setProperty('--header-height', `${headerHeight}px`); } }); resizeObserver.observe(header);

5/10

Dyn Bicycle Helmet Mips Upgraded Pneumatic Wind-Breaking Cycling Carbon Fiber Hat Heto

Carbon Fiber Cycling Hat for Unrivaled Wind - Breaking Performance Dyn's Heto Model: Ideal for Professional and Enthusiast Cyclists

$71.40

Color-

Carbon fiber black (hotos mips)

Size-

M（52-56cm)

M（52-56cm)

L(56-60cm)

Quantity

Sustainably made

Secure payments

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Shipping

Estimated Delivery：Feb-07 - Feb-11

Vendor by: 1688

SKU: -Carbon fiber black (hotos mips)-M（52-56cm)-A00172943

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