• <<

    • Ridgeback
    High quality, long lasting integrated frame mounting lithium-ion battery pack for Shimano STEPS systems
    Header ImageGenesis
    Singular
    Frog
    Early Ri

    <

    <

    <

    <

    Congratulations! Your order qualifies for free shipping



    a href="https://projektride.co.uk/collections/bikes?filter.p.vendor=Brother,Brother+Cycles,Brothers+Cycles,brother+cycles" class="logo-list__slide-image" style="background-image: url(//projektride.co.uk/cdn/shop/files/cropped-brother-cycles-leaf-logo_360x.png?v=1688813290); width: 120px; padding-top: 100.0%;">
    label for="quantity--template--15326745395426__main">Quantity>
    > Logo imageBrakes
    input type="number" name="quantity" id="quantity--template--15326745395426__main" value="1" min="1"> See More

    a href="https://projektride.co.uk/search?q=muc-off&type=product" class="logo-list__slide-image" style="background-image: url(//projektride.co.uk/cdn/shop/files/Screenshot_2021-12-30_at_20.49.50_360x.png?v=1640897415); width: 150px; padding-top: 47.7%;">

    >
    Logo imageComplete Brakes

    ow._RestockRocketConfig.cachedSettings = {"id":38500,"shop_id":38436,"currency":"GBP","created_at":"2025-07-26T09:13:57.337Z","updated_at":"2025-11-11T14:27:02.312Z","enable_app":true,"enable_signup_widget":false,"storefront_button_text":"Notify me when available","storefront_button_text_color":"#FFFFFF","storefront_button_background_color":"#202223","storefront_form_header":"Notify me","storefront_form_description":"Get a notification as soon as this product is back in stock by signing up below!","storefront_form_button_text":"Notify me when available","storefront_form_button_text_color":"#FFFFFF","storefront_form_button_background_color":"#202223","storefront_form_terms":"Promise we won't spam. You'll only receive notifications for this product.","storefront_form_error":"Please enter a valid email address","storefront_form_success":"Thank you! We will notify you when the product is available.","enable_powered_by":true,"show_button_on_preorder":true,"sms_enabled":false,"email_enabled":true,"storefront_button Brake Rotors
    ront_button_disable_tag_hides_button":true,"storefront_button_disable_tag_enabled":false,"quantity_required":false,"storefront_form_quantity_label":"Quantity","enable_alerts":true,"sms_allowed":false,"email_allowed":true,"collect_promotion_consent_default":true,"insert_button_after_selector":null,"insert_button_after_selector_type":"afterend","storefront_button_position_type":"float-right","storefront_form_duplicate_error":"You've already subscribed for alerts to this product.","storefront_mixed_cart_error":"This item needs to be purchased separately. Please check out or clear your cart before adding this item.","storefront_error_heading":"Error","default_locale":"en","collection_page_button_text_color":"#FFFFFF","collection_page_button_background_color":"#202223","show_button_if_any_out_of_stock":false,"show_button_if_any_variant_out_of_stock_collection":false,"show_button_on_index":false,"insert_button_after_selector_collection":null,"insert_button_after_selector_index":null,"push_enabled":false,"push_allowdiv class="logo-list__slide-image" style="background-image: url(//projektride.co.uk/cdn/shop/files/genesis_logo_360x.png?v=1710022398); width: 120px; padding-top: 14.2%;">
    "extension_enable_value_variant_detection":true,"extension_value_variant_selector":"[name='id']","resubscribe_text":"This product is out of stock. Get notified when it's restocked again by entering your details below!","preorder_enabled":true,"preorder_buy_button_selector":null,"preorder_add_to_cart_button_selector":"","preorder_badge_selector":"","preorder_button_out_of_stock_text":"Out of stock","preorder_button_add_to_cart_text":"Add to cart","preorder_form_selector":"form[action*=\"/cart/add\"]","preorder_collection_enabled":false,"preorder_collection_form_selector":"form[action*=\"/cart/add\"]","preorder_collection_add_to_cart_button_selector":"form[action*=\"/cart/add\"] button","preorder_index_enabled":false,"preorder_index_form_selector":"form[action*=\"/cart/add\"]","preorder_index_add_to_cart_button_selector":"form[action*=\"/cart/add\"] button","preorder_page_enabled":false,"preorder_page_form_selector":"form[action*=\"/cart/add\"]","preorder_page_add_to_cart_button_selector":"form[action*=\"/cart/>
    "inline_form_enabled":false,"inline_form_selector":null,"inline_form_selector_type":"afterend","storefront_form_prefill_customer":true,"market_setup_type":"single_market","shopify_app_id":5940125,"cache":true,"cached_at":"2025-11-11T14:27:02.333Z","multi_language_enabled":false,"translation_locale":"en"};window._RestockRocketConfig.cachedPreorderVariantIds = {"preorder_variant_ids":[42167799447778,43590980075746,43916521013474,43934694998242,43934695031010,43934695620834,43935975440610,43935975473378,43935989399778,43935989432546,43935990284514,43935994118370,43935995625698,43935995855074,43936000835810,43936003195106,43936003227874,43936008012002,43936008044770,43936022757602,43936022790370,43936022823138,43936022855906,43936056115426,43936061030626,43936064930018,43936070631650,43936078037218,43936078069986,43936088195298,43936093470946,43936101138658,43936107266274,43936124076258,43936124109026,43936124141794,43936124174562,43936129941730,43936129974498,43936130007266,43936142393570,43936142426338,43936142Logo imageBrake Pads

    78,43981695877346,43981695910114,43981695942882,43981986070754,43981987905762,43981987938530,44052906967266,44052907327714,44052907360482,44052907393250,44052907426018,44052907458786,44052907491554,44052909097186,44052909129954,44140302827746,44140302893282,44140317016290,44155590508770,44155590541538,44155594211554,44155594244322,44155594277090,44155594309858,44155594342626,44155594375394,44155594440930,44155594473698,44155594506466,44195991847138,44195991945442,44329993437410,44329993470178,44329993502946,44329993535714,44329993568482,44957136584930,44957136781538,44957136945378,45068753961186,45068753993954,45069622640866,45069622903010,45069622968546,45069750730978,45069750763746,45353010921698,45353010954466,45353010987234,45353018261730,45353018294498,45353018327266,55569712382335,55569712447871,55569712480639,55569933074815,55570550194559,55570550227327,55604008976767,55638316908927,55638316941695,55638316974463,56220814999935,56220815032703,56270279606655,56270279639423,56270279672191,56314171064703,5

    for_market_382140642";window._RestockRocketConfig.sellingPlans = [{"shopify_selling_plan_group_id":98590196095,"shopify_selling_plan_id":713071886719,"enabled":true,"variant_ids":[55569933140351,55569712382335,55569712415103,55569712480639,55569933173119,55570017616255,55569933074815,55570017550719,55569712447871,55569933107583,55570017583487],"product_variants_source":"custom","name":"Preorder","preorder_button_text":"Preorder","preorder_button_description":"Note: This is a preorder. Items will ship based on the estimated delivery date.","preorder_button_description_background_color":"#ebebeb","preorder_button_description_text_color":"#000000","preorder_button_description_border_radius":10,"preorder_button_description_show_quantity_limit":false,"preorder_button_description_quantity_limit_suffix":" units available for preorder","preorder_button_description_shipping_text_prefix":"Shipping: ","delivery_exact_time":null,"delivery_after_n_intervals":null,"delivery_at":"2025-07-26T09:20:18.169Z","delivery_type":"a

    Submitcolor":"#ffffff","preorder_button_background_color":"#565557","preorder_button_colors_enabled":true,"markets_enabled":false,"market_id":13779632354,"shopify_market_ids":[],"use_shopify_selling_plan":true,"use_simplified_shipping_text":false,"translations":{},"payment_options":[{"billing_type":"no_remaining_balance","billing_checkout_charge_type":"percentage","billing_checkout_charge_amount":null,"billing_checkout_charge_percentage":"100.0","billing_at":"2025-07-26T09:20:38.472Z","billing_after_n_intervals":7,"billing_after_interval_type":"day","pricing_type":"no_discount","pricing_amount":null,"pricing_percentage":null,"billing_title":"Full payment","billing_description":null,"discount_text":"Save {{ discount }}","shopify_selling_plan_id":713071886719,"is_default":true,"type":"full","translations":{}}],"require_preorder_acknowledgement":false,"preorder_acknowledgement_text":"I acknowledge and agree to the preorder terms and conditions for this product.","preorder_min_quantity":null,"preorder_max_quantity":nula href="https://shopify.projektride.co.uk/collections/parts-components?filter.p.vendor=OneUp,oneup" class="logo-list__slide-image" style="background-image: url(//projektride.co.uk/cdn/shop/files/Screenshot_2021-12-30_at_20.54.49_360x.png?v=1640897703); width: 120px; padding-top: 50.5%;">Brake Spares

    ,"updated_at":"2025-07-26T09:16:04.076Z"}];window._RestockRocketConfig.obfuscateInventoryQuantity = false;window._RestockRocketConfig.product = {"id":8664114495714,"title":"Shimano battery for internal down tube, 504Wh - BT-EN805","handle":"shimano-battery-for-internal-down-tube-504wh-bt-en805","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cul class=\"description-overview\"\u003e\n\u003cli\u003eHigh quality, long lasting integrated frame mounting lithium-ion battery pack for Shimano STEPS systems\u003c\/li\u003e\n\u003cli\u003eIn normal mode the riding distance could exceed 100 km\u003c\/li\u003e\n\u003cli\u003eWaterproof design as well as impact and vibration resistant\u003c\/li\u003e\n\u003cli\u003e1000 charge cycles without significant power loss\u003c\/li\u003e\n\u003cli\u003eApproximately five hours charge time\u003c\/li\u003e\n\u003cli\u003eCharge level display with error signal info and on\/off switch\u003c\/li\u003e\n\u003cli\u003eCharging port\u003c\/li\u003e\n\u003cli\u003eLock system for off >
    ompare_at_price_max":69999,"compare_at_price_varies":false,"variants":[{"id":45767310868706,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"BTEN805","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Shimano battery for internal down tube, 504Wh - BT-EN805","public_title":null,"options":["Default Title"],"price":59499,"weight":0,"compare_at_price":69999,"inventory_management":"shopify","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/projektride.co.uk\/cdn\/shop\/files\/Screenshot2024-08-03at10.16.32.png?v=1722684489"],"featured_image":"\/\/projektride.co.uk\/cdn\/shop\/files\/Screenshot2024-08-03at10.16.32.png?v=1722684489","options":["Title"],"media":[{"alt":null,"id":34386275533026,"position":1,"preview_image":{"aspect_ratio":1.002,"height":1198,"width":1200,"src":"\/\/projektride.co.uk\/cdn\/shop\/files\/Screenshot2024-08-03at10.16.32.png?v=1722684489"},"aspect_ratio":1.002,"height":1198,"meLogo image
    03cul class=\"attributesSpecification\"\u003e\n\u003cli\u003e\n\u003cdiv class=\"label\"\u003eColour\u003c\/div\u003e\n\u003cdiv class=\"value\"\u003eBlack\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"label\"\u003eSize\u003c\/div\u003e\n\u003cdiv class=\"value\"\u003eOne size\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"label\"\u003eProduct Type\u003c\/div\u003e\n\u003cdiv class=\"value\"\u003eBatteries \u0026amp; Chargers\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!----\u003e"}; window._RestockRocketConfig.variantsInventoryPolicy = {45767310868706 : "deny",}; window._RestockRocketConfig.variantsInventoryQuantity = {45767310868706 : parseInt("1"),}; window._RestockRocketConfig.variantsPreorderCount = {45767310868706 : parseInt(""),}; window._RestockRocketConfig.variantsPreorderCountForMarket = {45767310868706 : null,}; window._RestockRocketConfig.variantsPreorderMaxCount = {45767310868706 : parseInt(""),}; window._Resto
    g.scriptUrlProduct.lastIndexOf('/') + 1) window._RestockRocketConfig.host = 'https://app.restockrocket.io' const SETTINGS_CACHE_DURATION = 15 * 60 * 1000; // 15 minutes in milliseconds 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 translation 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; }

    <

    !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
    slated fields found for locale:', normalizedLocale); } delete settings.translations; return settings; } catch (e) { console.debug('STOQ - error applying translations:', e); return settings; } } // 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.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_vers
    etConfig.settings = settings; console.debug(`STOQ - settings configured for ${window._RestockRocketConfig.pageType}`); 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)) { createRestockRo
    abled: settings.enable_app, settings: settings } }); console.debug('STOQ - dispatching app loaded event'); window.dispatchEvent(appLoadedEvent); } } function updateCartSellingPlans() { // Wait for the API to be available with retries const maxRetries = 10; const retryDelay = 500; function attemptCartCheck(attempt = 1) { 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); }); } else if (attempt

    maxRetries) { console.debug(`STOQ - API not ready, retry ${attempt}/${maxRetries}`); setTimeout(() => attemptCartCheck(attempt + 1), retryDelay); } else { console.debug('STOQ - API not loaded after max retries, skipping cart selling plan check'); } } attemptCartCheck(); }

    .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 left}.restock-rocket-button-container-float-left:hover,.restock-rocket-button-container-float-right:hover,.restock-rocket-button-container:hover,.restock-rocket-button-float:hover,.restock-rocket-button:hover{opacity:.8}.restock-rocket-button{min-height:50px;margin-top:10px;margin-bottom:10px}.restock-rocket-button-collection{position:relative;font-size:13px;line-height:1;padding:7px;height:auto;z-index:3}.restock-rocket-wrapper{background-color:rgba(0,0,0,.5);z-index:123123123;width:100%;height:100%;overflow:auto;position:fixed;right:0;top:0;transition-property:all;transition-duration:.3s;display:flex;flex-direction:column;justify-content:center;}.restock-rocket-wrapper-inline{width:100%;height:100%;margin-top:20px}.restock-rocket-preorder-description{padding:10px 15px;margin-top:20px;display:flex;flex-direction:column;gap:10px;}.preorder-description-details{margin-bottom:0;display:flex;flex-direction:column;gap:10px;}.preorder-detail-item{display:flex;flex-direction:row;justify-content:start;gap:8px;align-items:center;}.restock-rocket-payment-widget{border:1px solid #ebebeb;margin-bottom:20px;}.restock-rocket-payment-option{display:flex;flex-wrap:wrap;align-items:center;gap:5px;padding:15px 20px;}.restock-rocket-payment-option:not(:last-child){border-bottom:1px solid #ebebeb;}.restock-rocket-payment-input-container{flex:1 1 auto;min-width:0}.restock-rocket-preorder-discount-badge{background:#ebebeb;height:25px;line-height:25px;padding:0 15px;border-radius:25px;font-size:0.8rem;flex:0 0 auto}.restock-rocket-payment-input{margin-right:10px;margin-top:-3px;vertical-align:middle;margin-left:0;accent-color:#202223}.restock-rocket-payment-description{margin-top:4px;flex:1 1 100%}.restock-rocket-preorder-badge{font-size:13px;line-height:1;
    ustify-content:center}.restock-rocket-preorder-countdown-timer .countdown-unit{display:flex;flex-direction:column;align-items:center;gap:6px}.restock-rocket-preorder-countdown-timer .countdown-box{min-width:40px;padding:10px 6px;text-align:center;font-size:20px;line-height:1}.restock-rocket-preorder-countdown-timer .countdown-label{font-size:14px;font-weight:500;text-align:center;text-transform:capitalize;opacity:.7}@media (max-width:768px){.restock-rocket-preorder-countdown-timer{padding:14px}.restock-rocket-preorder-countdown-timer .countdown-box{min-width:55px;padding:14px 10px;font-size:26px}.restock-rocket-preorder-countdown-timer .countdown-label{font-size:11px}}@media (max-width:480px){.restock-rocket-preorder-countdown-timer{padding:12px}.restock-rocket-preorder-countdown-timer .countdown-units{width:100%;gap:10px}.restock-rocket-preorder-countdown-timer .countdown-box{width:100%;min-width:50px;padding:12px 8px;font-size:24px}.restock-rocket-preorder-countdown-timer .countdown-label{font-size:10px}}.r
    t-right.slide-out{-webkit-animation:.5s forwards slide-out-right;animation:.5s forwards slide-out-right}@keyframes slide{100%{transform:translateX(0)}}@-webkit-keyframes slide{100%{-webkit-transform:translateX(0)}}@keyframes slide-out-left{0%{transform:translateX(0)}100%{transform:translateX(-100%)}}@-webkit-keyframes slide-out-left{0%{-webkit-transform:translateX(0)}100%{-webkit-transform:translateX(-100%)}}@keyframes slide-out-right{0%{transform:translateX(0)}100%{transform:translateX(100%)}}@-webkit-keyframes slide-out-right{0%{-webkit-transform:translateX(0)}100%{-webkit-transform:translateX(100%)}}

    Finishing Kit

    See More

    Tyres

    Genesis
    Singular

    Enigma

    Wheels

    See More

    Complete Wheels

    >
    Essentials

    Hire Ortlieb 40L Pannier Bags

    See More
    £0.00

    AccessoriesLife Systems Pocket First Aid Kit - HIRE

    See More

    a class="product__media product__media--featured" href="/products/life-systems-pocket-first-aid-kit-hire" title="Life Systems Pocket First Aid Kit - HIRE" aria-label="Life Systems Pocket First Aid Kit - HIRE" style="background-image: url(//projektride.co.uk/cdn/shop/files/Screenshot2022-02-24at21.18.22_5c0e6e2d-1913-4fd1-a90d-b486895960b6_600x.png?v=1691610357)">
    Bottles and Cagesspan class="visually-hidden">Life Systems Pocket First Aid Kit - HIRE
    >

    <


    OtherLights<

    <

    Heather Paterson Custom Builds
    Rider Care

    Working Hours

    Brands
    HopeClothing and Protection
    See MoreHome
    /

    Helmets

    Gloves
    I'm looking to find out more information about a product, where can I find this?
    01313745324
    Website by
    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.
    e,"market_setup_type":"single_market","shopify_app_id":5940125,"cache":true,"cached_at":"2025-11-11T14:27:02.333Z","multi_language_enabled":false,"translation_locale":"en"};window._RestockRocketConfig.cachedPreorderVariantIds = {"preorder_variant_ids":[42167799447778,43590980075746,43916521013474,43934694998242,43934695031010,43934695620834,43935975440610,43935975473378,43935989399778,43935989432546,43935990284514,43935994118370,43935995625698,43935995855074,43936000835810,43936003195106,43936003227874,43936008012002,43936008044770,43936022757602,43936022790370,43936022823138,43936022855906,43936056115426,43936061030626,43936064930018,43936070631650,43936078037218,43936078069986,43936088195298,43936093470946,43936101138658,43936107266274,43936124076258,43936124109026,43936124141794,43936124174562,43936129941730,43936129974498,43936130007266,43936142393570,43936142426338,43936142459106,43936152060130,43936152092898,43936152125666,43936193118434,43936250429666,43936255803618,43936266682594,43936266715362,439362 Brake Spares
    Forks
    Hybrid / City BikesAccessories
    Electric Bikes
    Bike Packing
    Bells
    Trek
    Lights
    Hybrid / City Bikes View all