const prefixSection = "shoplaza-section" ; const headerRoot = document.getElementById(`${prefixSection}-header`); const collectionFeaturedSticky = document.getElementById('collection-func-sticky'); const collectionFilter = document.getElementById('collection-filter'); const mdStickyOn = true; const resizeObserver = new ResizeObserver(entries => { for (let entry of entries) { const { height } = entry.contentRect; collectionFeaturedSticky && (collectionFeaturedSticky.style.top = (mdStickyOn ? height : '0') + 'px'); collectionFilter && (collectionFilter.style.top = height + 'px'); } }); resizeObserver.observe(headerRoot);

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);

TRI/AERO

3 Products

Backed by extensive wind tunnel testing and real-world validation from the world's top pro riders, Tophelmetfan's Tri/Aero helmets are your secret weapon for maximizing marginal gains. Featuring superior aerodynamic performance, optimized airflow, and customizable fit systems, they are the ideal choice when every second counts.

3 Products

$159.99

VOLANTE KINETICORE

$399.99

VICTOR KINETICORE

$349.99