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Frequently Asked Questions
PREMIUM COMFORT
For over 20 years, Thudbuster has been the industry standard in suspension seatposts by providing unequalled comfort and reliability to riders around the world. We are now proud to announce the latest evolution to that legacy with the Thudbuster Generation 4 (G4).
The new Thudbuster LT is superior to its predecessor in every way. Building on Thudbuster’s proven parallel linkage technology we have completely re-designed the seatpost for increased durability, additional suspension travel, as well as ease of use through tool-free elastomer change and a single-bolt seat clamp design. By improving on this already legendary design, we’re confident to say that the newest generation Thudbuster is the most advanced suspension seatpost ever made.I'm looking to find out more information about a product, where can I find this?
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console.debug('[RR] Using selling plans from old format (max updated_at: ' + maxUpdatedAt + ')');
}
}
})();window._RestockRocketConfig.enabledNotifyMeVariantIds = [];window._RestockRocketConfig.disabledNotifyMeVariantIds = [];window._RestockRocketConfig.backInStockTemplates = [];window._RestockRocketConfig.restockNotes = {};window._RestockRocketConfig.integrations = [{"id":"15c94526-b6b8-4de1-9bc1-23b1ca52ddb0","shop_id":38436,"enabled":true,"page_types":["product","collection","index","search","page","cart","list-collections","article","blog"],"configuration":{"toastDuration":10000,"toastPosition":"bottom-right","enableXHRHijack":true,"enableFetchHijack":true,"quantityLimitDisabled":false},"type":"hijack","css_config":null,"js_config":null,"created_at":"2025-07-26T09:16:04.076Z","updated_at":"2025-07-26T09:16:04.076Z"}];window._RestockRocketConfig.product = {"id":7468013093090,"title":"Muc-Off Bio Chain Cleaner","handle":"muc-off-bio-chain-cleaner","description":"\u003cmeta charset=\"utf-8\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003eMuc-Off high-performance Bio Chain Cleaner has been specifically formulated to quickly and safely remove heavy chain grime using advanced solvents. Its unique formula breaks down oil and grease to leave the entire chain sparkling clean and contaminant free.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eDon’t forget that if you’re looking for optimum results, you can always use our Chain Doc cleaning device for hassle free chain maintenance.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRapidly removes dirt, oil and grime \u003c\/li\u003e\n\u003cli\u003eSafe on all chain types\u003c\/li\u003e\n\u003cli\u003eWater soluble formula for easy rinsing\u003c\/li\u003e\n\u003cli\u003eCuts through grease to reduce friction\u003c\/li\u003e\n\u003cli\u003eEliminates chain contaminants safely\u003c\/li\u003e\n\u003cli\u003eBiodegradable*\u003c\/li\u003e\n\u003cli\u003eCompatible with Muc-Off Bio Chain Doc\u003c\/li\u003e\n\u003cli\u003eIdeal for Road, MTB and Cyclocross\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e*Only contents are biodegradable.\u003c\/p\u003e","published_at":"2021-12-15T22:46:59+00:00","created_at":"2021-12-07T17:45:54+00:00","vendor":"Muc-Off","type":"","tags":["Cleaners Degreasers and Lubrication","spo-cs-disabled","spo-default","spo-disabled","spo-notify-me-disabled"],"price":899,"price_min":899,"price_max":899,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":42134028943586,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"950","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Muc-Off Bio Chain Cleaner","public_title":null,"options":["Default Title"],"price":899,"weight":200,"compare_at_price":null,"inventory_management":"shopify","barcode":"5037835950007","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/projektride.co.uk\/cdn\/shop\/products\/muc-off-bio-chain-cleaner-400ml.png?v=1638899156"],"featured_image":"\/\/projektride.co.uk\/cdn\/shop\/products\/muc-off-bio-chain-cleaner-400ml.png?v=1638899156","options":["Title"],"media":[{"alt":null,"id":28806776193250,"position":1,"preview_image":{"aspect_ratio":1.462,"height":919,"width":1344,"src":"\/\/projektride.co.uk\/cdn\/shop\/products\/muc-off-bio-chain-cleaner-400ml.png?v=1638899156"},"aspect_ratio":1.462,"height":919,"media_type":"image","src":"\/\/projektride.co.uk\/cdn\/shop\/products\/muc-off-bio-chain-cleaner-400ml.png?v=1638899156","width":1344}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cmeta charset=\"utf-8\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003eMuc-Off high-performance Bio Chain Cleaner has been specifically formulated to quickly and safely remove heavy chain grime using advanced solvents. Its unique formula breaks down oil and grease to leave the entire chain sparkling clean and contaminant free.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eDon’t forget that if you’re looking for optimum results, you can always use our Chain Doc cleaning device for hassle free chain maintenance.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRapidly removes dirt, oil and grime \u003c\/li\u003e\n\u003cli\u003eSafe on all chain types\u003c\/li\u003e\n\u003cli\u003eWater soluble formula for easy rinsing\u003c\/li\u003e\n\u003cli\u003eCuts through grease to reduce friction\u003c\/li\u003e\n\u003cli\u003eEliminates chain contaminants safely\u003c\/li\u003e\n\u003cli\u003eBiodegradable*\u003c\/li\u003e\n\u003cli\u003eCompatible with Muc-Off Bio Chain Doc\u003c\/li\u003e\n\u003cli\u003eIdeal for Road, MTB and Cyclocross\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e*Only contents are biodegradable.\u003c\/p\u003e"};window._RestockRocketConfig.variantsInventoryPolicy = {42134028943586 : "deny",};
window._RestockRocketConfig.variantsInventoryQuantity = {42134028943586 : parseInt("6"),};
window._RestockRocketConfig.variantsPreorderCount = {42134028943586 : parseInt(""),};
window._RestockRocketConfig.variantsPreorderCountForMarket = {42134028943586 : null,};
window._RestockRocketConfig.variantsPreorderMaxCount = {42134028943586 : parseInt(""),};
window._RestockRocketConfig.variantsPreorderMaxCountForMarket = {42134028943586 : null,};
window._RestockRocketConfig.variantsShippingText = {42134028943586 : "",};
window._RestockRocketConfig.variantsShippingTextForMarket = {42134028943586 : null,};window._RestockRocketConfig.selected_variant_id = 42134028943586;
window._RestockRocketConfig.selected_variant_available = (window._RestockRocketConfig.product.variants.find(function(variant) { return variant.id == window._RestockRocketConfig.selected_variant_id }) || {}).available;
try {
var _sqCfg = window._RestockRocketConfig;
var _sqPlanEnabled = Array.isArray(_sqCfg.sellingPlans) &&
_sqCfg.sellingPlans.some(function (p) { return p && p.enabled; });
var _sqPreCount = ((_sqCfg.cachedPreorderVariantIds &&
_sqCfg.cachedPreorderVariantIds.preorder_variant_ids) || []).length;
_sqCfg.preordersConfigured = !!(_sqPlanEnabled && _sqPreCount);
} catch (e) { }
try {
var _sqc = window._RestockRocketConfig;
var _sqOn = !!(_sqc.cachedSettings && _sqc.cachedSettings.block_accelerated_checkout);
var _sqPre = (_sqc.cachedPreorderVariantIds &&
_sqc.cachedPreorderVariantIds.preorder_variant_ids) || [];
var _sqArm = false;
if (_sqOn && _sqc.preordersConfigured) {
if (_sqc.pageType === 'product' && _sqc.product && _sqc.product.variants) {
_sqArm = _sqc.product.variants.some(function (v) { return _sqPre.indexOf(Number(v.id)) !== -1; });
} else {
_sqArm = (_sqc.integrations || []).some(function (i) {
return i && i.type === 'featured_product' && i.enabled &&
Array.isArray(i.page_types) && i.page_types.indexOf(_sqc.pageType) !== -1;
});
}
}
if (_sqArm && document.documentElement) {
_sqc.acceleratedGateArmed = true;
document.documentElement.classList.add('stoq-buy-now-pending');
setTimeout(function () {
document.documentElement.classList.remove('stoq-buy-now-pending');
}, 6000);
}
} catch (e) { }
window._RestockRocketConfig.scriptUrlProduct = 'https://cdn.shopify.com/extensions/01a08707-47f7-7cf2-90f7-be17daab017c/restockrocket-1-584/assets/restockrocket-product.js'
window._RestockRocketConfig.scriptUrlCollection = 'https://cdn.shopify.com/extensions/01a08707-47f7-7cf2-90f7-be17daab017c/restockrocket-1-584/assets/restockrocket-collection.js'
window._RestockRocketConfig.scriptUrlProductBis = 'https://cdn.shopify.com/extensions/01a08707-47f7-7cf2-90f7-be17daab017c/restockrocket-1-584/assets/restockrocket-product-bis.js'
window._RestockRocketConfig.scriptUrlCollectionBis = 'https://cdn.shopify.com/extensions/01a08707-47f7-7cf2-90f7-be17daab017c/restockrocket-1-584/assets/restockrocket-collection-bis.js'
window._RestockRocketConfig.scriptHost = window._RestockRocketConfig.scriptUrlProduct.substring(0, window._RestockRocketConfig.scriptUrlProduct.lastIndexOf('/') + 1)
window._RestockRocketConfig.host = (window._RestockRocketConfig.cachedSettings && window._RestockRocketConfig.cachedSettings.api_host) || 'https:
//app.restockrocket.io'
try {
const _stoqVersionMatch = window._RestockRocketConfig.scriptHost.match(/(\d+)\/?(?:assets\/?)?$/);
window._RestockRocketConfig.appVersion = (_stoqVersionMatch && _stoqVersionMatch[1]) || '';
} catch (e) {
window._RestockRocketConfig.appVersion = '';
}
const SETTINGS_CACHE_DURATION = 15 * 60 * 1000;
const LIQUID_CACHE_MAX_AGE = 15 * 60;
const liquidRenderedAt = window._RestockRocketConfig.liquidRenderedAt;
if (!liquidRenderedAt || typeof liquidRenderedAt !== 'number' || isNaN(liquidRenderedAt)) {
console.debug('STOQ - Invalid or missing liquidRenderedAt timestamp, assuming fresh');
window._RestockRocketConfig.isLiquidCacheFresh = true;
window._RestockRocketConfig.liquidCacheAge = null;
} else {
const now = Math.floor(Date.now() / 1000);
const liquidCacheAge = now - liquidRenderedAt;
window._RestockRocketConfig.liquidCacheAge = Math.max(0, liquidCacheAge);
if (liquidCacheAge
< 0) {
console.debug(`STOQ - Client clock appears ahead of server by ${Math.abs(Math.round(liquidCacheAge / 60))} minutes, assuming cache fresh`);
window._RestockRocketConfig.isLiquidCacheFresh = true;
} else if (liquidCacheAge
<= LIQUID_CACHE_MAX_AGE) {
console.debug(`STOQ - Liquid cache is fresh (${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 (window._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 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 && _sqTra
ck.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) ||
has(_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/2026-07/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.status); }
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.cachedSetti
ngs;
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 not 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) {
c
onsole.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 || [];
}
if (data && data.read_flags && typeof data.read_flags === 'object' && !Array.isArray(data.read_flags)) {
window._RestockRocketConfig.readFlags = data.read_flags;
}
}),
fetchEmbedConfig('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)
&& 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.indexOf(pageType) !== -1 && (settings[`show_button_on_${pageType}`] || settings[`preorder_${pageType}_enabled`])) {
createRestockRocketScript(collectio