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Charter+ 4 Nexus 5 Belt 800 Wh Lowstep
Charter+ 4 Nexus 5 Belt 800 Wh Lowstep
Charter+ 4 Nexus 5 Belt 800 Wh Lowstep
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Charter+ 4 Nexus 5 Belt 800 Wh Lowstep
Charter+ 4 Nexus 5 Belt 800 Wh Lowstep
Charter+ 4 Nexus 5 Belt 800 Wh Lowstep

Charter+ 4 Nexus 5 Belt 800 Wh Lowstep

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< 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 <
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) || hSizeas(_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.st atus); } 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 no t 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 || []; } if (data && data.read_f lags && 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
Quantity

The Charter+ 4 Nexus 5 Belt 800 Wh low-step is a low-maintenance and easy-to-use city e-bike for commutes, joyrides and everyday errands. Its adjustable cockpit lets you customise the ride fit from an upright, comfort-first position to a more active pedal-efficient fit. It comes ready to roll with an e-bike-specific Shimano Nexus 5 internal gear hub paired with a long lasting and silent Gates CDC belt and a Bosch Performance Line motor with 800 Wh battery for your biggest adventures. It's topped off with a 63 mm SR Suntour coil-sprung fork to smooth out rough r

Technology

Assembled in Germany - Explore the factory in Saxony, Germany, where every European Trek, Electra, and Diamant bike is built.

Specification

Frame Premium Alpha Platinum Aluminum frame, top-load PowerPack, integrated cockpit routing, 135x5mm QR
Frame Material ALUMINIUM
Rim Size 27.5
Fork SR Suntour
Fork SR Suntour SF25-NVX32, coil spring, preload adjuster, 5mm ThruSkew, 63mm travel
Tires Bontrager E6 Hard-Case Lite, reflective strip, 27.5x2.40"
Hub Front Shimano Tourney HB-QC300, centerlock
Hub Rear Shimano Nexus C7000, 5-speed
Rims Bontrager Kovee, double-wall, Tubeless Ready, 28-hole, 23 mm width, Presta valve // Bontrager Kovee, double-wall, Tubeless-Ready, 32-hole, 23 mm width, Presta valve
Shifter Shimano
Shifters Shimano Nexus C7000, 5 speed
Crank ProWheel alloy, 170 mm length
Cassette Gates CDX 32T, stainless steel
Brake Shimano
Brakeset Shimano MT200 hydraulic disc
Brake Rotor Shimano RT30, CentreLock, 180 mm // Shimano CL300, centerlock, 180mm
Pedals Bontrager City pedals
Saddle Bontrager Boulevard
Seatpost Alloy, suspension, 31.6 mm, 300 mm length
Handlebar Alloy, 31.8 mm clamp, 25 mm rise, 630 mm width
Stem Bontrager alloy, 31.8mm clamp, adjustable rise, Blendr compatible, 80mm length
Grips Trek ergonomic PRO, lock-on
Fenders Trek Charter alloy mudguard
Kickstand Pletscher Comp Flex 40
Battery Bosch PowerTube 800Wh, smart system
Controller Bosch Purion 200
Motor Bosch Performance Line, 250W, 75Nm, 20mph
Size Chart Rider Height Rider Height - 170.0 - 185.0
Size Chart Rider Inseam Inseam - 80.0 - 99.0

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.

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