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< = LIQUID_CACHE_MAX_AGE) { console.debug(`STOQ - Liquid cache is fresh (${Math.round(liquidCacheAge / 60)} minutes old)`); window._RestockRocketConfig.isLiquidCacheFresh = true; } else { console.debug(`STOQ - Liquid cache is stale (${Math.round(liquidCacheAge / 60)} minutes old, max ${Math.round(LIQUID_CACHE_MAX_AGE / 60)} minutes)`); window._RestockRocketConfig.isLiquidCacheFresh = false; } } function checkSettingsExpiry(settings) { try { if (!settings || !settings.updated_at) { console.debug('STOQ - Invalid settings data structure'); return null; } if (!settings.cache) { console.debug('STOQ - settings caching disabled'); return null; } if (settings.multi_language_enabled) { if (!settings.translations) { console.debug('STOQ - multi-language enabled but no translation data in cache, fetching fresh'); return null; } if (win

dow._RestockRocketConfig.normalizedLocale && !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 nitConfig.product.variants)) ? _stoqInitConfig.product.variants.map(function(v) { return v.id }) : []; const _stoqSelectedVariantId = _stoqInitConfig.selected_variant_id; var _stoqPageSeq = 0; try { _stoqPageSeq = (parseInt(window.sessionStorage.getItem('_stoq_pls') || '0', 10) || 0) + 1; window.sessionStorage.setItem('_stoq_pls', String(_stoqPageSeq)); } catch (e) { } Shopify?.analytics?.publish?.('stoq_initialized', { cart_token: _stoqInitConfig.cartToken || '', page_url: window.location.href, page_type: _stoqInitConfig.pageType || '', shop_domain: _stoqInitConfig.shop || '', market_id: _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 (!host) return; var channel = host.matches && host.matches('shopify-payment-terms') ? 'shop_pay_installments' : 'buy_now'; var form = host.closest('form'); var vidEl = form && form.querySelector('[name="id"]'); var variantId = (vidEl && vidEl.value) || _sqTrack.selected_variant_id || ''; var _sqVidNum = Number(variantId); var _sqPlan = null; var _sqPlans = Array.isArray(_sqTrack.sellingPlans) ? _sqTrack.sellingPlans : []; var _sqMktId = Number(_sqTrack.marketId); var _sqForVariant = function (pl) { return pl && pl.enabled && Array.isArray(pl.variant_ids) && pl.variant_ids.indexOf(_sqVidNum) !== -1; }; _sqPlans.forEach(function (pl) { if (!_sqPlan && _sqForVariant(pl) && pl.markets_enabled && Array.isArray(pl.shopify_market_ids) && pl.shopify_market_ids.indexOf(_sqMktId) !== -1) { _sqPlan = pl; } }); 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 && _sqTrack.cachedPreorderVariantIds.preorder_variant_ids); })(), in_enabled_plan: !!_sqPlan, is_instock_variant: (function () { var has = function (a) { return Array.isArray(a) && a.indexOf(_sqVidNum) !== -1; }; return has(_sqTrack.inStockVariantIds) || h as(_sqTrack.cachedInStockVariantIds && _sqTrack.cachedInStockVariantIds.in_stock_variant_ids); })(), enrolled_plan_id: (_sqPlan && (_sqPlan.shopify_selling_plan_id || _sqPlan.shopify_selling_plan_group_id)) || '', enrolled_plan_provider: (_sqPlan && _sqPlan.inventory_provider) || '', block_enabled: !!(_sqTrack.cachedSettings && _sqTrack.cachedSettings.block_accelerated_checkout), gate_armed: !!_sqTrack.acceleratedGateArmed, gate_active_at_click: !!(document.documentElement && document.documentElement.classList.contains('stoq-buy-now-pending')), 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; return settings; } console.debug(`STOQ - Applying translations for normalized locale: ${normalizedLocale} (original: ${window._RestockRocketConfig.locale})`); const translatedFields = translations[normalizedLocale]; if (translatedFields && typeof translatedFields === 'object') { Object.keys(translatedFields).forEach (function(key) { const value = translatedFields[key]; if (value !== null && value !== undefined && value !== '') { settings[key] = value; } }); } else { console.debug('STOQ - No translated fields found for locale:', normalizedLocale); } delete settings.translations; return settings; } catch (e) { console.debug('STOQ - error applying translations:', e); return settings; } } function setupCartSellingPlanUpdater(settings) { window.addEventListener('stoq:inventory-data-loaded', function(event) { console.debug('STOQ - Inventory data loaded, updating cart selling plans'); if (window._RestockRocket && window._RestockRocket.updateCartSellingPlans) { window._RestockRocket.updateCartSellingPlans() .then(hasUpdates => { if (hasUpdates) { console.debug('STOQ - cart selling plans updated successfully'); } else { console.debug('STOQ - no cart selling plan updates needed'); } }) .catch(error => { console.error('STOQ - error updating cart selling plans:', error); }); } }); } (function loadStorefrontSettings() { const cfg = window._RestockRocketConfig; if (!cfg.storefrontAccessToken || cfg.disableStorefrontApi === true) return; function run() { const query = 'query StoqSettings($namespace: String!) { shop { metafield(namespace: $namespace, key: "settings") { value } } }'; fetch( `https://${cfg.shop}/api/2025-07/graphql.json`, { method: 'POST', headers: { 'Content-Type': 'application/json', 'X-Shopify-Storefront-Access-Token': cfg.storefrontAccessToken, }, body: JSON.stringify({ query: query, variables: { namespace: cfg.metafieldNamespace } }), } ) .then(function(response) { if (!response.ok) { throw new Error('Storefront API HTTP ' + response.s tatus); } return response.json(); }) .then(function(body) { if (body && body.errors && body.errors.length) { throw new Error('Storefront API errors: ' + body.errors.map(function(e) { return e && e.message; }).join(', ')); } const value = body && body.data && body.data.shop && body.data.shop.metafield && body.data.shop.metafield.value; if (!value) { throw new Error('Storefront API returned no settings metafield value'); } cfg.storefrontSettings = JSON.parse(value); console.debug('STOQ - stored live settings from Storefront API on config.storefrontSettings'); }) .catch(function(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; headers['X-Shopify-Theme-Store-Id'] = window.Shopify.theme.theme_store_id; } fetch( `${window._RestockRocketConfig.host}/api/v1/setting.json?translation_locale=${window._RestockRocketConfig.normalizedLocale}`, { headers } ) .then(function(response) { if (!response.ok) { throw new Error('Network response was nColourot ok'); } return response.json(); }) .then(function(settings) { initializeScripts(settings); }) .catch(function(error) { if (cachedSettings) { console.debug('STOQ - using expired cached settings as fallback'); initializeScripts(cachedSettings); } else { console.error('STOQ - failed to load settings:', error); } }) .catch(function(e) { console.error(e) }) } function fetchEmbedConfig(endpoint, apply) { return fetch( `${window._RestockRocketConfig.host}/api/v1/embed/${endpoint}.json`, { headers: { 'X-Shopify-Shop-Domain': window._RestockRocketConfig.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.race([ Promise.all([ fetchEmbedConfig('selling_plans', function(data) { if (data && Array.isArray(data.plans)) { window._RestockRocketConfig.sellingPlans = data.plans; window._RestockRocketConfig.disabledSellingPlanIds = data.disabled_plan_ids || []; } }), fetchEmbed Config('integrations', function(data) { if (Array.isArray(data)) { window._RestockRocketConfig.integrations = data; } }) ]), new Promise(function(resolve) { setTimeout(resolve, 1000); }) ]).then(function() { loadScripts(settings); }); return; } loadScripts(settings); } function loadScripts(settings) { setupCartSellingPlanUpdater(settings); if(settings.enable_app) { const hijackIntegration = window._RestockRocketConfig.integrations.find(function(integration) { return integration.type === 'hijack' && integration.enabled && integration.page_types.includes(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) && w
indow._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.indexOf(pageType) !== -1 && (settings[`show_button_on_${pageType}`] || settings[`preorder_${pageType}_enabled`])) { createRestockRocketScript(collectionScriptUrl); } else if(pageType === 'product') { createRestockRocketScript(productScriptUrl); } else if(hijackIntegration) { createRestockRocketScript(window._RestockRocketC onfig.scriptUrlCollection); } else if(usePreorderBuild) { createRestockRocketScript(window._RestockRocketConfig.scriptUrlCollection); } else { console.debug(`STOQ - no scripts enabled for ${pageType}`); } const appLoadedEvent = new CustomEvent('stoq:loaded', { detail: { pageType: window._RestockRocketConfig.pageType, enabled: settings.enable_app, settings: settings, preorderEnabled: settings.preorder_enabled } }); console.debug('STOQ - dispatching app loaded event'); window.dispatchEvent(appLoadedEvent); } } html.stoq-buy-now-pending .shopify-payment-button{pointer-events:none!important}
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Argon 18 Sum SRAM Force AXS

The Argon 18 Sum is a lightweight aero road platform designed to be fast everywhere: climbing, rolling terrain, bunch rides and racing. It combines aerodynamic tube shaping, integrated cabling and sharp modern road geometry in a package that works as one fast do-it-all road bike.

This version is supplied in the SRAM Force AXS configuration and is available in Smoked Nickel, British Racing Green.

  • Sum carbon road platform
  • Integrated cable routing
  • Modern aero road geometry
  • Hydraulic disc brake setup on complete bike models
  • Available colours: Smoked Nickel, British Racing Green
  • Available sizes: XXS 44-46, XS 47-50, S 51-53, M 54-56, L 57-59, XL 60-62

Key specification

Frame SUM carbon frame
Fork SUM specific carbon fork
Groupset SRAM Force AXS
Crankset SRAM Force AXS Powermeter 48/35
Wheelset Scope R4
Tyres Vittoria Corsa N.EXT TLR 28mm
Cockpit Integrated aero road cockpit components
Cable routing Integrated cables

Images are supplied by Argon 18 and may be illustrative. Final specification can vary by region and assembly option.

Frequently Asked Questions

  • Please get in touch with a member of the team either by phone (01313745324) or email ([email protected]) where on of the team will be more than happy to help.

    ProjektRide Bike Shop Edinburgh

  • If the item is showing in stock, we aim to post the product within 24 hours. Please allow 5 working days to receive the item.

    Postage is free on orders over £50. Orders under £50, our postage charge is £3.99.

    We also have a physical store, if you are local please pop in -

    ProjektRide Bike Shop Edinburgh

    82 Newington Road, EH91QN, Edinburgh.