The Restrap Downtube Bag is designed to boost carrying capacity by utilising the otherwise dead space beneath the downtube. Particularly useful for smaller frames, or anyone who requires extra capacity. The Downtube Bag adds 1.2L of fully waterproof stowage, attached simply via velcro; no need for specific bosses.
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Search
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ORTLIEB’s frame bag with roll closure helps you start off your bike packing adventure well-prepared. Thanks to the waterproof roll closure —which is closed by three silicone rings— paired with the proven nylon fabric, your luggage inside the bag stays absolutely dry even in the most adverse conditions. The Frame-Pack RC is ideal for storing heavy luggage, such as tools or food, centrally on the bike. This maintains a low centre of gravity so that the trail fun remains high even when fully loaded. The roll closure and its large opening allow easy access and easy packing of the bag. The assembly within the frame triangle is done with strong and robust Velcro fasteners. The specific positioning of the Velcro straps along the circumference of the bag enables individual adjustment to the dimensions of your bike. The Frame Pack RC is available in two sizes —4 and 6 litres — and suitable for mounting on carbon frames. The bag is PVC-free and sustainably made in Germany.
Fabric: PS21R
Height: 29cm
Width: 50cm
Depth: 6cm
Volume: 6L
Close
Weight: 250g
Frequently Asked Questions
Please get in touch with a member of the team either by phone (
01313745324
) or email (
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if (cachedData && typeof cachedData === 'object' && cachedData.cached_at) {
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const oldPlans = window._RestockRocketConfig.sellingPlans;
const maxUpdatedAt = Array.isArray(oldPlans) && oldPlans.length > 0
? oldPlans.reduce(function(max, plan) {
// Parse dates for proper comparison (handles mixed ISO formats)
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const maxDate = max ? new Date(max) : null;
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return max;
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// Parse dates for comparison to handle format differences (+00:00 vs .000Z)
const cachedDate = new Date(cachedData.cached_at);
const maxDate = maxUpdatedAt ? new Date(maxUpdatedAt) : null;
const useCached = !maxUpdatedAt || (cachedDate && !isNaN(cachedDate) && (!maxDate || cachedDate > maxDate));
if (useCached) {
if (Array.isArray(cachedData.plans)) {
window._RestockRocketConfig.sellingPlans = cachedData.plans;
// Only use disabled_plan_ids when using cached plans
window._RestockRocketConfig.disabledSellingPlanIds = cachedData.disabled_plan_ids || [];
console.debug('[RR] Using selling plans from cachedSellingPlans (cached_at: ' + cachedData.cached_at + ')');
}
} else {
// When using old format (stale cache), don't trust disabled_plan_ids
window._RestockRocketConfig.disabledSellingPlanIds = [];
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.obfuscateInventoryQuantity = false;window._RestockRocketConfig.product = {"id":8723971965154,"title":"Restrap Downtube Bag","handle":"restrap-downtube-bag","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eThe Restrap Downtube Bag is designed to boost carrying capacity by utilising the otherwise dead space beneath the downtube. Particularly useful for smaller frames, or anyone who requires extra capacity. The Downtube Bag adds 1.2L of fully waterproof stowage, attached simply via velcro; no need for specific bosses.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThe Downtube Bag has a fully waterproof construction, with a roll top closure to keep the elements, road spray or trail debris where they should be. A single, integrated, velcro strap wraps around the Downtube Bag and downtube, securing it tightly in place and minimising rattles. A stitched in grip pad prevents the bag from sliding out of position. The bolt-free attachment means the Downtube Bag can be swapped from bike-to-bike in seconds.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eWhile you can store what you like in the Downtube Bag, we believe that it is most useful for spares, tools and heavier items. By storing them in a low and central location, you help maintain the bike’s natural centre of gravity. This is also useful if you run a dropper seat post on your bike and are unable to store items under your saddle; or if your bikepacking set up means that you aren’t able to run a tool pouch in its usual location.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThe Downtube Bag is designed to fit all bikes, from the skinniest of steel tubing up to 19cm circumference downtubes. And while there’s no prizes for guessing where it was designed to fit, there’s nothing stopping you from getting creative with where you choose to fit the bag; cargo cages, seatpost or elsewhere.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eHand made in our Yorkshire workshop, all bags are finished with the classic Restrap label, made from vegan-friendly PU.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eProduct Weight - 130g\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eCapacity - 1.2 Litres\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e","published_at":"2024-09-27T13:59:00+01:00","created_at":"2024-09-27T13:59:01+01:00","vendor":"Restrap","type":"bag","tags":["Downtube bag","spo-cs-disabled","spo-default","spo-disabled","spo-notify-me-disabled"],"price":5000,"price_min":5000,"price_max":5000,"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":46007570563298,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":null,"requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Restrap Downtube Bag","public_title":null,"options":["Default Title"],"price":5000,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":null,"requires_selling_plan":false,"selling_plan_allocations":[]}],"images":[],"featured_image":null,"options":["Title"],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eThe Restrap Downtube Bag is designed to boost carrying capacity by utilising the otherwise dead space beneath the downtube. Particularly useful for smaller frames, or anyone who requires extra capacity. The Downtube Bag adds 1.2L of fully waterproof stowage, attached simply via velcro; no need for specific bosses.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThe Downtube Bag has a fully waterproof construction, with a roll top closure to keep the elements, road spray or trail debris where they should be. A single, integrated, velcro strap wraps around the Downtube Bag and downtube, securing it tightly in place and minimising rattles. A stitched in grip pad prevents the bag from sliding out of position. The bolt-free attachment means the Downtube Bag can be swapped from bike-to-bike in seconds.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eWhile you can store what you like in the Downtube Bag, we believe that it is most useful for spares, tools and heavier items. By storing them in a low and central location, you help maintain the bike’s natural centre of gravity. This is also useful if you run a dropper seat post on your bike and are unable to store items under your saddle; or if your bikepacking set up means that you aren’t able to run a tool pouch in its usual location.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThe Downtube Bag is designed to fit all bikes, from the skinniest of steel tubing up to 19cm circumference downtubes. And while there’s no prizes for guessing where it was designed to fit, there’s nothing stopping you from getting creative with where you choose to fit the bag; cargo cages, seatpost or elsewhere.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eHand made in our Yorkshire workshop, all bags are finished with the classic Restrap label, made from vegan-friendly PU.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eProduct Weight - 130g\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eCapacity - 1.2 Litres\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e"};
window._RestockRocketConfig.variantsInventoryPolicy = {46007570563298 : "deny",};
window._RestockRocketConfig.variantsInventoryQuantity = {46007570563298 : parseInt("100"),};
window._RestockRocketConfig.variantsPreorderCount = {46007570563298 : parseInt(""),};
window._RestockRocketConfig.variantsPreorderCountForMarket = {46007570563298 : null,};
window._RestockRocketConfig.variantsPreorderMaxCount = {46007570563298 : parseInt(""),};
window._RestockRocketConfig.variantsPreorderMaxCountForMarket = {46007570563298 : null,};
window._RestockRocketConfig.variantsShippingText = {46007570563298 : "",};
window._RestockRocketConfig.variantsShippingTextForMarket = {46007570563298 : null,};
window._RestockRocketConfig.selected_variant_id = 46007570563298;
window._RestockRocketConfig.selected_variant_available = window._RestockRocketConfig.product.variants.find(function(variant) { return variant.id == window._RestockRocketConfig.selected_variant_id }).available;window._RestockRocketConfig.scriptUrlProduct = 'https://cdn.shopify.com/extensions/019d4564-8f2b-76f2-bacb-5853de1a7cf8/restockrocket-1-475/assets/restockrocket-product.js'
window._RestockRocketConfig.scriptUrlCollection = 'https://cdn.shopify.com/extensions/019d4564-8f2b-76f2-bacb-5853de1a7cf8/restockrocket-1-475/assets/restockrocket-collection.js'
window._RestockRocketConfig.scriptHost = window._RestockRocketConfig.scriptUrlProduct.substring(0, window._RestockRocketConfig.scriptUrlProduct.lastIndexOf('/') + 1)
window._RestockRocketConfig.host = 'https://app.restockrocket.io'
const SETTINGS_CACHE_DURATION = 15 * 60 * 1000; // 15 minutes in milliseconds
const LIQUID_CACHE_MAX_AGE = 2 * 60 * 60; // 2 hours in seconds
// Calculate Liquid cache freshness once at initialization
const liquidRenderedAt = window._RestockRocketConfig.liquidRenderedAt;
// Validate timestamp and calculate cache age
if (!liquidRenderedAt || typeof liquidRenderedAt !== 'number' || isNaN(liquidRenderedAt)) {
console.debug('STOQ - Invalid or missing liquidRenderedAt timestamp, assuming fresh');
window._RestockRocketConfig.isLiquidCacheFresh = true;
} else {
const now = Math.floor(Date.now() / 1000); // Current time in seconds
const liquidCacheAge = now - liquidRenderedAt; // Age in seconds
// Handle client clock ahead of server
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;
}
// Check if translations are enabled but missing from cache
// This handles the backfill period where DB has translations but metafield doesn't
if (settings.multi_language_enabled) {
if (!settings.translations) {
// Translations enabled but no Recently viewedtranslation data in metafield
// Metafield hasn't been backfilled yet - force refresh
console.debug('STOQ - multi-language enabled but no translation data in cache, fetching fresh');
return null;
}
// Translations object exists in metafield - cache is valid
// If current locale isn't translated, applyTranslations will gracefully use default locale from base fields
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');
}
// Don't return null - continue using cache even for untranslated locales
}
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')
function applyTranslations(settings) {
try {
// Skip translation logic entirely if multi-language is not enabled
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) {
// No matching locale has translations; drop payload to save memory
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;
}
}
// Setup event listener for cart selling plan updates
// This must be called before any scripts are loaded to avoid race conditions
function setupCartSellingPlanUpdater(settings) {
// Setup listener regardless - updateCartSellingPlans has its own guards
// This ensures cleanup happens even when preorders are disabled globally
// Listen for stoq:inventory-data-loaded event dispatched by api.js
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);
});
}
});
}
// First try to get settings from metafields with expiry check
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.S
hopify.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 request failed and we have cached settings (even if expired), use them as fallback
if (cachedSettings) {
console.debug('STOQ - using expired cached settings as fallback');
initializeScripts(cac
hedSettings);
} else {
console.error('STOQ - failed to load settings:', error);
}
})
.catch(function(e) {
console.error(e)
})
}
function initializeScripts(settings) {
settings = applyTranslations(settings);
window._RestockRocketConfig.settings = settings;
console.debug(`STOQ - settings configured for ${window._RestockRocketConfig.pageType}`);
// Setup cart selling plan updater BEFORE loading any scripts to avoid race conditions
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);
})
if(window._RestockRocketConfig.pageType === 'collection' && (settings.show_button_on_collection || settings.preorder_collection_enabled)) {
createRestockRocketScript(window._RestockRocketConfig.scriptUrlCollection);
} else if(window._RestockRocketConfig.pageType === 'index' && (settings.show_button_on_index || settings.preorder_index_enabled)) {
createRestockRocketScript(window._RestockRocketConfig.scriptUrlCollection);
} else if(window._RestockRocketConfig.pageType === 'search' && (settings.show_button_on_search || settings.preorder_search_enabled)) {
createRestockRocketScript(window._RestockRocketConfig.scriptUrlCollection);
} else if(window._RestockRocketConfig.pageType === 'page' && (settings.show_button_on_page || settings.preorder_page_enabled)) {
createRestockRocketScript(window._RestockRocketConfig.scriptUrlCollection);
} else if(window._RestockRocketConfig.pageType === 'product') {
createRestockRocketScript(window._RestockRocketConfig.scriptUrlProduct);
} else if(hijackIntegration) {
createRestockRocketScript(window._RestockRocketConfig.scriptUrlCollection);
} else {
console.debug(`STOQ - no scripts enab
led for ${window._RestockRocketConfig.pageType}`);
}
// Dispatch custom event when app is loaded
// Cart selling plan updates will be triggered by stoq:inventory-data-loaded event
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);
}
}
9 
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