
- Argon 18 Nitrogen Pro Shimano Ultegra Di2
- The Argon 18 Nitrogen Pro is the top-level aero race platform, built around speed, front-end integration and a high-performance carbon chassis. It is aimed at riders who want a premium race bike with deep aero refinement, modern tyre clearance and a race-focused fit. This version is supplied in the Shimano Ultegra Di2 configuration and is available in Aurora Charcoal.
- Nitrogen Pro carbon road platform
- Integrated cable routing
Available sizes: XXS 44-46, XS 47-50, S 51-53, M 54-56, L 57-59, XL 60-62
Key specification
Fork
Nitrogen Pro carbon aero fork
Groupset
Vatican City (EUR€)
© 2026,
Frame
Nitrogen Pro carbon aero frame
Fork
Zambia (GBP£)
Zimbabwe (USD$)
Shopify.
American Express
- Apple Pay
Diners ClubKlarna
- Maestro
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!Object.prototype.hasOwnProperty.call(settings.translations, window._RestockRocketConfig.normalizedLocale)) {
console.debug('STOQ - locale not explicitly translated, will use default language from cache');
}
}
const updatedAt = new Date(settings.updated_at);
if (isNaN(updatedAt.getTime())) {
console.debug('STOQ - Invalid updated_at date format in settings');
return null;
}
const age = Date.now() - updatedAt.getTime();
if (age
- SETTINGS_CACHE_DURATION) { console.debug('STOQ - settings changed recently, skipping cache'); return null; } return settings; } catch (error) { console.debug('STOQ - Error checking settings cache:', error); return null; } } function createRestockRocketContainer() { const restockRocketContainer = document.createElement('div'); restockRocketContainer.id = 'restock-rocket'; document.body.appendChild(restockRocketContainer); } function createRestockRocketScript(scriptUrl) { const restockRocketScriptElement = document.createElement('script'); restockRocketScriptElement.setAttribute('defer', 'defer'); restockRocketScriptElement.src = scriptUrl; document.body.appendChild(restockRocketScriptElement); } createRestockRocketContainer() console.debug('STOQ - extension activated') try { const _stoqInitConfig = window._RestockRocketConfig; const _stoqDetectedVariantIds = (_stoqInitConfig.product && Array.isArray(_stoqI: _stoqInitConfig.marketId || '', country_code: _stoqInitConfig.countryIsoCode || '', detected_variant_ids: _stoqDetectedVariantIds, selected_variant_id: _stoqSelectedVariantId || '', page_load_seq: _stoqPageSeq, liquid_rendered_at: _stoqInitConfig.liquidRenderedAt || 0, app_version: _stoqInitConfig.appVersion || '', liquid_cache_age: _stoqInitConfig.liquidCacheAge, inventory_policy: (_stoqInitConfig.variantsInventoryPolicy || {})[_stoqSelectedVariantId] || '', inventory_quantity: (_stoqInitConfig.variantsInventoryQuantity || {})[_stoqSelectedVariantId], }); } catch (e) { console.debug('STOQ - stoq_initialized publish failed:', e); } try { var _sqTrack = window._RestockRocketConfig; if (_sqTrack.preordersConfigured) { document.addEventListener('click', function (e) { try { var t = e.target; if (!t || !t.closest) return; var host = t.closest('.shopify-payment-button, shopify-payment-terms'); ; if (!_sqPlan) { _sqPlans.forEach(function (pl) { if (!_sqPlan && _sqForVariant(pl) && !pl.markets_enabled) { _sqPlan = pl; } }); } Shopify?.analytics?.publish?.('stoq_accelerated_checkout_clicked', { variant_id: variantId, product_id: (_sqTrack.product && _sqTrack.product.id) || '', channel: channel, market_id: _sqTrack.marketId || '', country_code: _sqTrack.countryIsoCode || '', page_type: _sqTrack.pageType || '', cart_token: _sqTrack.cartToken || '', page_url: (window.location && window.location.href) || '', properties: { is_preorder_variant: (function () { var vid = Number(variantId); var has = function (a) { return Array.isArray(a) && a.indexOf(vid) !== -1; }; return has(_sqTrack.preorderVariantIds) || has(_sqTrack.cachedPreorderVariantIds && ), blocked: (function () { try { var rr = window._RestockRocket; return !!(rr && typeof rr.willBlockAcceleratedClick === 'function' && rr.willBlockAcceleratedClick(e)); } catch (err) { return false; } })(), }, }); } catch (err) { } }, true); } } catch (e) { } function applyTranslations(settings) { try { if (!settings || !settings.multi_language_enabled) { return settings; } if (!settings.translations) { console.debug('STOQ - No translations found, skipping translation'); return settings; } const normalizedLocale = window._RestockRocketConfig.normalizedLocale; const translations = settings.translations; if (!normalizedLocale) { console.debug('STOQ - No matching locale for translations. Available:', Object.keys(translations || {})); delete settings.translations;
- cart selling plans'); if (window._RestockRocket && window._RestockRocket.updateCartSellingPlans) { window._RestockRocket.updateCartSellingPlans() .then(hasUpdates => { if (hasUpdates) { console.debug('STOQ - cart selling plans updated successfully'); } else { console.debug('STOQ - no cart selling plan updates needed'); } }) .catch(error => { console.error('STOQ - error updating cart selling plans:', error); }); } }); } (function loadStorefrontSettings() { const cfg = window._RestockRocketConfig; if (!cfg.storefrontAccessToken || cfg.disableStorefrontApi === true) return; function run() { const query = 'query StoqSettings($namespace: String!) { shop { metafield(namespace: $namespace, key: "settings") { value } } }'; fetch( `https://${cfg.shop}/api/2025-07/graphql.json`, { method: 'POST', headers: { tion(e) { console.debug('STOQ - Storefront settings fetch failed (non-fatal):', e && e.message); }); } if (typeof window.requestIdleCallback === 'function') { window.requestIdleCallback(run, { timeout: 5000 }); } else { setTimeout(run, 0); } })(); const cachedSettings = window._RestockRocketConfig.cachedSettings; const validCachedSettings = cachedSettings ? checkSettingsExpiry(cachedSettings) : null; if (validCachedSettings) { console.debug('STOQ - using cached settings'); initializeScripts(validCachedSettings); } else { console.debug('STOQ - fetching fresh settings'); const headers = { 'X-Shopify-Shop-Domain': window._RestockRocketConfig.shop || window.Shopify.shop, 'ngrok-skip-browser-warning': 'skip' }; if (window.Shopify?.theme?.role === 'main') { headers['X-Shopify-Theme-Schema-Name'] = window.Shopify.theme.schema_name; headers['X-Shopify-Theme-Schema-Version'] = window.Shopify.theme.schema_version; estockRocketConfig.shop || window.Shopify.shop, 'ngrok-skip-browser-warning': 'skip' } } ) .then(function(response) { if (!response.ok) throw new Error(`Failed to fetch ${endpoint}`); return response.json(); }) .then(function(data) { try { apply(data); } catch (applyError) { console.error('STOQ - apply failed for ' + endpoint + ':', applyError); throw applyError; } }) .catch(function(error) { console.debug(`STOQ - using cached ${endpoint}:`, error.message); }); } function initializeScripts(settings) { settings = applyTranslations(settings); window._RestockRocketConfig.settings = settings; console.debug(`STOQ - settings configured for ${window._RestockRocketConfig.pageType}`); if (!window._RestockRocketConfig.isLiquidCacheFresh && !settings.disable_refresh_on_stale_liquid) { console.debug('STOQ - Liquid cache stale, refreshing selling_plans + integrations'); Promise.r des(window._RestockRocketConfig.pageType); }) const hasEnabledOffer = Array.isArray(window._RestockRocketConfig.sellingPlans) && window._RestockRocketConfig.sellingPlans.some(function(plan) { return plan && plan.enabled; }); const hasDisabledPlanIds = Array.isArray(window._RestockRocketConfig.disabledSellingPlanIds) && window._RestockRocketConfig.disabledSellingPlanIds.length > 0; const usePreorderBuild = settings.preorder_enabled || hasEnabledOffer || hasDisabledPlanIds; const collectionScriptUrl = usePreorderBuild ? window._RestockRocketConfig.scriptUrlCollection : window._RestockRocketConfig.scriptUrlCollectionBis; const productScriptUrl = usePreorderBuild ? window._RestockRocketConfig.scriptUrlProduct : window._RestockRocketConfig.scriptUrlProductBis; const pageType = window._RestockRocketConfig.pageType; const collectionPageTypes = ['collection', 'index', 'search', 'page']; if(collectionPageTypes.inde
Guadeloupe (EUR€)
Guernsey (GBP£)










Wheelset