\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eLike all Brother products the Big Bro has been rigorously tested out in the real world – we took prototypes across the South Downs, through Snowdonia National Park and up to the Scottish Highlands. The Big Bro has since completed many of the world’s toughest bikepacking endurance races – including the 4,418km Tour Divide from Canada to Mexico and the 1,710km\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.brothercycles.com\/2019\/09\/the-brotherhood-stefan-dave-from-pannier-cc-complete-the-silk-road-mountain-race\/\"\u003eSilk Road Mountain Race\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003ein Kyrgyzstan.\u003c\/p\u003e"};
window._RestockRocketConfig.variantsInventoryPolicy = {56139624710527 : "deny",56139624743295 : "deny",56139624776063 : "deny",56139624808831 : "deny",56139624841599 : "deny",56139624874367 : "deny",56139624907135 : "deny",56139624939903 : "deny",};
window._RestockRocketConfig.variantsInventoryQuantity = {
56139624710527 : parseInt("4"),56139624743295 : parseInt("0"),56139624776063 : parseInt("4"),56139624808831 : parseInt("4"),56139624841599 : parseInt("4"),56139624874367 : parseInt("4"),56139624907135 : parseInt("4"),56139624939903 : parseInt("4"),};
window._RestockRocketConfig.variantsPreorderCount = {56139624710527 : parseInt(""),56139624743295 : parseInt(""),56139624776063 : parseInt(""),56139624808831 : parseInt(""),56139624841599 : parseInt(""),56139624874367 : parseInt(""),56139624907135 : parseInt(""),56139624939903 : parseInt(""),};
window._RestockRocketConfig.variantsPreorderCountForMarket = {56139624710527 : null,56139624743295 : null,56139624776063 : null,56139624808831 : null,56139624841599 : null,56139624874367 : null,56139624907135 : null,56139624939903 : null,};
window._RestockRocketConfig.variantsPreorderMaxCount = {56139624710527 : parseInt(""),56139624743295 : parseInt(""),56139624776063 : parseInt(""),56139624808831 : parseInt(""),56139624841599 : parseInt(""),56139624874367 : parseInt(""),56139624907135 : parseInt(""),56139624939903 : parseInt(""),};
window._RestockRocketConfig.variantsPreorderMaxCountForMarket = {56139624710527 : null,56139624743295 : null,56139624776063 : null,56139624808831 : null,56139624841599 : null,56139624874367 : null,56139624907135 : null,56139624939903 : null,};
window._RestockRocketConfig.variantsShippingText = {56139624710527 : "",56139624743295 : "",56139624776063 : "",56139624808831 : "",56139624841599 : "",56139624874367 : "",56139624907135 : "",56139624939903 : "",};
window._RestockRocketConfig.variantsShippingTextForMarket = {56139624710527 : null,56139624743295 : null,56139624776063 : null,56139624808831 : null,56139624841599 : null,56139624874367 : null,56139624907135 : null,56139624939903 : null,};
window._RestockRocketConfig.selected_variant_id = 56139624710527;
window._RestockRocketConfig.selected_variant_available = window._RestockRocketConfig.product.variants.find(function(variant) { return variant.id == window._RestockR
Shop by BrandocketConfig.selected_variant_id }).available;window._RestockRocketConfig.scriptUrlProduct = 'https://cdn.shopify.com/extensions/019cd40b-736e-74a5-adbe-431365bfd910/restockrocket-1-465/assets/restockrocket-product.js'
window._RestockRocketConfig.scriptUrlCollection = 'https://cdn.shopify.com/extensions/019cd40b-736e-74a5-adbe-431365bfd910/restockrocket-1-465/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 !== 'nu
mber' || 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
See More<age = Date.now() - updatedAt.getTime();
if (age
<
mber' || 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
See More<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 ||
Gloria!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 ${window._RestockRocketConfig.pageType}`);
// Setup cart selling plan updater BEFORE loading any scripts to avoid race conditions
setupCartSellingPlanUpdater(settings);
if(settings.enable_app) {
const hijackIntegration = window._RestockRocketConfig.integrations.find(function(integration) {
return integration.type === 'hijack' && integration.enabled && integration.page_types.includes(window._RestockRocketConfig.pageType);
})
if(window._RestockRocketConfig.pageType === 'collection' && (settings.show_button_on_collection || settings.preorder_collection_enabled)) {
createRestockRocketScript(window._RestockRocketCon
hopify.shop,
'ngrok-skip-browser-warning': 'skip'
};
if (window.Shopify?.theme?.role === 'main') {
headers['X-Shopify-Theme-Schema-Name'] = window.Shopify.theme.schema_name;
headers['X-Shopify-Theme-Schema-Version'] = window.Shopify.theme.schema_version;
headers['X-Shopify-Theme-Store-Id'] = window.Shopify.theme.theme_store_id;
}
fetch(
`${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._RestockRocketCon
Amflow
.restock-rocket-button,.restock-rocket-button-float{opacity:1!important;border:none!important;cursor:pointer!important;background-image:none!important;box-shadow:none!important;padding:15px 20px;font-size:16px;width:100%;font-family:inherit}@font-face{font-family:OpenSans;font-weight:200;src:url(https://d382hokyqag45a.cloudfront.net/assets/OpenSans-Light.woff)}@font-face{font-family:OpenSans;font-weight:300;src:url(https://d382hokyqag45a.cloudfront.net/assets/OpenSans-Regular.woff)}@font-face{font-family:OpenSans;font-weight:600;src:url(https://d382hokyqag45a.cloudfront.net/assets/OpenSans-SemiBold.woff)}.restock-rocket-button-container{position:relative;z-index:1;width:100%}.restock-rocket-button-container-float-right{position:fixed;z-index:123123;top:calc(50% - 200px);right:0;transform:rotate(270deg);transform-origin:bottom right}.restock-rocket-button-container-float-left{position:fixed;z-index:123123;top:calc(50% - 200px);left:40px;transform:rotate(90deg);transform-origin:top 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Ridgeback
Brother
Genesis
Singular
SKU: 5267275
Second-Hand Bikes
See More
Shop All Second-HandSee More
How to measure: Stand barefoot with your back straight and against a wall. Tuck a ruler or something that extends to the floor between your legs. Using both hands, and keeping it level, pull the ruler up into your crotch as if you were sitting on the saddle. Measure the distance from the top edge of the ruler to the ground to find your inside leg measurement. Your inside leg is very important to your final bike size so please measure carefully.
Handlebars
Stems
| SizeGrips & Bar-Tape | Rider Height | HeadsetsInseam |
|---|---|---|
| S |
Complete Brakes 154 - 167 cm 5'1" - 5'6"Brake Rotors |
Brake Pads 72 - 80 cm 28" - 31"Brake Spares |
| MSee More |
167 - 175 cm Front Suspension5'6" - 5'9" |
Rear Suspension
77 - 83 cm 30" - 33"Finishing Kit See More |
| LTyres |
175 - 186 cmTubes | 32" - 35" |
Gloves
ProjektRideClothing
Buy Sell Ride Confident
FAQ
Questions and answers
See More
Create account
- Cleaners, Degreasers and Lubrication
- Sell Your Bike Log in
Delivery & Returns
5.png?v=1759240885"}},"requires_selling_plan":false,"selling_plan_allocations":[]},{"id":56139624874367,"title":"Swamp Thing \/ Medium","option1":"Swamp Thing","option2":"Medium","option3":null,"sku":null,"requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"-Brother Big Bro 2025 - Swamp Thing \/ Medium","public_title":"Swamp Thing \/ Medium","options":["Swamp Thing","Medium"],"price":94900,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]},{"id":56139624907135,"title":"Swamp Thing \/ Large","option1":"Swamp Thing","option2":"Large","option3":null,"sku":null,"requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"-Brother Big Bro 2025 - Swamp Thing \/ Large","public_title":"Swamp Thing \/ Large","options":["Swamp Thing","Large"],"price":94900,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":"","requires_selling_plan":false,"sell
ing_plan_allocations":[]},{"id":56139624939903,"title":"Swamp Thing \/ Extra Large","option1":"Swamp Thing","option2":"Extra Large","option3":null,"sku":null,"requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"-Brother Big Bro 2025 - Swamp Thing \/ Extra Large","public_title":"Swamp Thing \/ Extra Large","options":["Swamp Thing","Extra Large"],"price":94900,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/projektride.co.uk\/cdn\/shop\/files\/Screenshot2025-09-30at13.32.25.png?v=1759240885","\/\/projektride.co.uk\/cdn\/shop\/files\/Screenshot2025-09-30at13.32.33.png?v=1759240885","\/\/projektride.co.uk\/cdn\/shop\/files\/Screenshot2025-09-30at13.32.41.png?v=1759240885","\/\/projektride.co.uk\/cdn\/shop\/files\/Screenshot2025-09-30at13.32.37.png?v=1759240885","\/\/projektride.co.uk\/cdn\/shop\/files\/Screenshot2025-09-30at13.33.04.png?v=1759240885","\/\/projektride.co.u as nails 29er\/27.5+ adventure frame; designed to take you well off the beaten track and beyond. Whether you’re running a lightweight bikepacking setup, front and rear panniers for a fully loaded ’round-the-world’ tour or just stripped back to thrash some forest trails the Big Bro can handle it.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNew for 2025 \/\/ with the following updates the Big Bro is now an even more capable adventure frame –\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003cem\u003eheat treated\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003e4130 chromoly main triangle, new configuration sliding dropouts for a stronger and more reliable rear end, UDH full mount compatible rear mech hanger, top tube bag mounts and additional front rack mounts.\u003c\/p\u003e\n\u003cp\u003eThe frame is now constructed out of extra tough ‘heat treated’ 4130 double butted cro-mo tubing and comes with a 100mm suspension corrected fork, both with corrosion resistant ED coating applied. T
he Big Bro features Boost spacing which means there’s clearance for big 27.5 x 3″ tyres or 29 x 2.6″ tyres if you’d prefer to go with a 29er setup. It features stealth dropper routing, multiple rack and bag mounts, a bottle mount on the seat tube and triple mounts on and under the down tube for extra bottles and storage. The Big Bro fork also features triple mounts to fit further bottle cages or Anything Cages.\u003c\/p\u003e\n\u003cp\u003eThe rear triangle features S-bend chainstays with replaceable alloy thru axle sliding dropouts for geared or singlespeed setups. These have been re-designed for 2025 to now feature a rail system for extra strength and reliability.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWe now offer a Rohloff specific dropout set which makes the Big Bro compatible with the Rohloff 135mm Speedhub with OEM axle plate.\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.brothercycles.com\/shop\/accessories\/big-bro-rohloff-dropouts\/\"\u003eSee here for details.\u003c\/a