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(function(){ let w = window.innerWidth; function setHeaderCssVar() { const headerEle = document.getElementById('shoplaza-section-header'); if(!headerEle){ return }; document.body.style.setProperty('--window-height', `${window.innerHeight}px`); document.body.style.setProperty('--header-height', `${headerEle.clientHeight}px`); const mdScorllHideEle = headerEle.querySelector('.header__mobile .header__scroll_hide'); if (mdScorllHideEle) { document.body.style.setProperty('--header-scroll-hide-height-md', `${mdScorllHideEle.clientHeight}px`); } const pcScorllHideEle = headerEle.querySelector('.header__desktop .header__scroll_hide'); if (pcScorllHideEle) { document.body.style.setProperty('--header-scroll-hide-height-pc', `${pcScorllHideEle.clientHeight}px`); } } function handlResize() { if(w == window.innerWidth){return}; w = window.innerWidth; setHeaderCssVar(); }; function init(){ setHeaderCssVar(); window.removeEventListener('resize', window._theme_header_listener) window._theme_header_listener = handlResize; window.addEventListener('resize', window._theme_header_listener); } init(); })();

How to Maintain MN Model MN168 RC Car Upgrade Parts Metal Gearbox Gear?

Jun 06, 2026 by mnrccars

The MN Model MN168 Upgrade Parts Metal Gearbox Gear is made of high-strength metal and is compatible with MN82S, MN82T, MN82Pro, MN82 LC79, MN99S, MN98, MN78, and MN168 models. Compared to the stock plastic gears, it offers better wear resistance and higher load capacity.

How to Maintain MN Model MN168 Upgrade Parts Metal Gearbox Gear?

To extend the lifespan of the gears, it is recommended to regularly apply an appropriate amount of gear grease to reduce friction and heat, ensuring smooth drivetrain operation.

Avoid abusive driving, such as continuously applying full throttle when the vehicle is stuck, as this can cause abnormal wear or damage to the gears. Regularly inspect the gears for wear and clean out sand and debris to maintain drivetrain stability and reliability.

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const TAG = "spz-custom-announcement"; const DISPLAY_TYPE = { ANNOUNCEMENT: "PTT_BANNER" // 公告栏 }; const API = { LIST: `/api/storefront/promotion/placement/list`, // 获取公告栏列表 REPORT: `/api/storefront/promotion/placement/data/report` // 上报数据 }; const DISPLAY_DEVICE = { PC_AND_MOBILE: "PD_PC_MOBILE", // PC和移动端 PC: "PD_PC", // PC MOBILE: "PD_MOBILE" // 移动端 }; const REPORT_EVENT = { CLICK: "PE_CLICK", // 点击事件 IMPRESSION: "PE_IMPRESSION" // 曝光事件 }; const POSITION = { TOP: "PP_TOP", // 顶部 BOTTOM: "PP_BOTTOM" // 底部 } const MODE = { FIXED: "PM_FIXED", // 固定 NORMAL: "PM_SCROLLING" // 滚动 } const THEME_NAME = window.SHOPLAZZA.theme.merchant_theme_name; class SpzCustomAnnouncement extends SPZ.BaseElement { constructor(element) { super(element); this.announcementList_ = []; // 公告栏数据 } static deferredMount() { return false; } buildCallback() { this.action_ = SPZServices.actionServiceForDoc(this.element); this.templates_ = SPZServices.templatesForDoc(this.element); this.xhr_ = SPZServices.xhrFor(this.win); this.setupAction_(); this.viewport_ = this.getViewport(); } mountCallback() { this.fetchData_(); this.createAnnouncementDom_(); this.listenCartChange_(); } fetchData_(type = '') { const id = window.SHOPLAZZA.meta.page.template_type === 51 ? window.SHOPLAZZA.meta.page.resource_id : 0; return this.xhr_.fetchJson(API.LIST, { method: 'POST', body: { page_id: window.SHOPLAZZA.meta.page.template_type, placement_type: DISPLAY_TYPE.ANNOUNCEMENT, discount_id: id } }).then((res) => { this.announcementList_ = res.list || []; if (this.announcementList_.length > 0) { this.announcementList_.forEach((item) => { item.config = JSON.parse(item.config); }); } if(type === 'cartChange') { this.announcementList_.forEach((item) => { this.updateText_(item); }); } else { this.doRender_(this.announcementList_); } }).catch((error) => { console.error(error); }) } doRender_(data) { return this.templates_ .findAndRenderTemplate(this.element, { list: this.announcementList_ }) .then((el) => { const children = this.element.querySelector('*:not(template)'); children && SPZCore.Dom.removeElement(children); this.element.appendChild(el); }) .then(() => { this.announcementList_.forEach((item) => { this.showAnnouncement_(item); }); }).then(() => { this.handleThemeCompatibility_(); }); } // 更新文案 updateText_(item) { const announcement = document.querySelector(`#announcement-${item.id}`); const announcementText = announcement.querySelectorAll('.announcement_text'); const textArr = item.config.text_discount.replace_texts; const textDom = textArr.map((text) => { return `${text}`; }).join(','); announcementText.forEach((text) => { text.innerHTML = textDom; }); } // 创建公告栏dom createAnnouncementDom_() { const isHero = /Hero/.test(THEME_NAME); const isEva = /Eva/.test(THEME_NAME); const headerEl = document.querySelector('[data-section-type="header"]'); const headerSticky = headerEl && SPZCore.Dom.computedStyle(this.win, headerEl).position === 'sticky'; // 创建滚动的底部公告栏 const announcementBottomContainer = document.createElement('div'); announcementBottomContainer.className = 'announcement__container_bottom bootstrap'; document.body.appendChild(announcementBottomContainer); // 创建固定的底部公告栏 const announcementBottomSticky = document.createElement('ljs-sticky'); announcementBottomSticky.className = 'announcement__container_bottom-sticky'; announcementBottomSticky.setAttribute('layout', 'container'); announcementBottomSticky.setAttribute('position', 'bottom'); announcementBottomSticky.style.position = 'fixed'; announcementBottomSticky.style.bottom = '0'; announcementBottomSticky.style.left = '0'; announcementBottomSticky.style.right = '0'; announcementBottomSticky.style.zIndex = '1030'; document.body.appendChild(announcementBottomSticky); const announcementTopContainer = document.createElement('div'); announcementTopContainer.classList.add('announcement__container_top'); if (isHero) { announcementTopContainer.classList.add('announcement__container_top_zIndex_1030'); } announcementTopContainer.classList.add('bootstrap'); document.body.insertBefore(announcementTopContainer, document.body.children[0]); const announcementTopFixedContainer = document.createElement('div'); announcementTopFixedContainer.classList.add('announcement__container_top-fixed'); if (isHero) { announcementTopFixedContainer.classList.add('announcement__container_top_zIndex_1030'); } announcementTopFixedContainer.classList.add('bootstrap'); const insertBeforeElement = headerSticky ? headerEl : document.body; insertBeforeElement.insertBefore(announcementTopFixedContainer, insertBeforeElement.children[0]); if (isEva) { const evaHeader = document.querySelector('header.header'); const isEvaMaskHeader = evaHeader && SPZCore.Dom.computedStyle(this.win, evaHeader).position === 'absolute'; let fixedBannerTopContainer = document.querySelector('.announcement__container_top-fixed'); if (isEvaMaskHeader) { if (fixedBannerTopContainer) { fixedBannerTopContainer.remove(); } const newBanner = document.createElement('div'); newBanner.className = 'announcement__container_top-fixed bootstrap'; document.body.insertBefore(newBanner, document.body.firstChild); fixedBannerTopContainer = newBanner; } else { if (!headerEl) return; const observer = new MutationObserver(() => { const isSticky = SPZCore.Dom.computedStyle(this.win, headerEl).position === 'sticky'; if (!isSticky) return; const isTopFixedAnnouncementInHeader = headerEl.querySelector('.announcement__container_top-fixed'); if (isTopFixedAnnouncementInHeader) return; const announcementTopFixedContainer = document.querySelector('.announcement__container_top-fixed'); if (announcementTopFixedContainer) { announcementTopFixedContainer.remove(); headerEl.insertBefore(announcementTopFixedContainer, headerEl.children[0]); observer.disconnect(); } }); observer.observe(headerEl, { attributes: true, attributeFilter: ['style', 'class'] }); } if (headerSticky && !isEvaMaskHeader && fixedBannerTopContainer) { fixedBannerTopContainer.style.position = 'relative'; fixedBannerTopContainer.style.zIndex = '29'; } } } // 展示公告栏 showAnnouncement_(item) { const announcement = document.querySelector(`#announcement-${item.id}`); const announcementBottomContainer = document.querySelector('.announcement__container_bottom'); const announcementBottomSticky = document.querySelector('.announcement__container_bottom-sticky'); const announcementTopContainer = document.querySelector('.announcement__container_top'); const announcementTopFixedContainer = document.querySelector('.announcement__container_top-fixed'); const isPC = this.viewport_.getWidth() >= 960; const isMobile = this.viewport_.getWidth() < 960; const isMatchPCDevice = item.device === DISPLAY_DEVICE.PC_AND_MOBILE || item.device === DISPLAY_DEVICE.PC; const isMatchMobileDevice = item.device == DISPLAY_DEVICE.PC_AND_MOBILE || item.device === DISPLAY_DEVICE.MOBILE; if((isPC && isMatchPCDevice) || (isMobile && isMatchMobileDevice)) { if (item.position === POSITION.BOTTOM) { if(item.mode === MODE.FIXED) { announcementBottomSticky && announcementBottomSticky.appendChild(announcement); } else { announcementBottomContainer && announcementBottomContainer.appendChild(announcement); } } else { if (item.mode === MODE.FIXED) { announcementTopFixedContainer && announcementTopFixedContainer.appendChild(announcement); } else { announcementTopContainer && announcementTopContainer.appendChild(announcement); } } this.reportData({ placement_id: item.id, event: REPORT_EVENT.IMPRESSION }); } } // 处理主题兼容 handleThemeCompatibility_() { try { const isBoost = /Boost/.test(THEME_NAME); const isHyde = /Hyde/.test(THEME_NAME); const isEva = /Eva/.test(THEME_NAME); const boostHeader = document.querySelector('.boost-header'); const fixedBannerTopContainer = document.querySelector('.announcement__container_top-fixed'); const notFixedBannerTopContainer = document.querySelector('.announcement__container_top'); const headerEl = document.querySelector('[data-section-type="header"]'); const headerSticky = headerEl && SPZCore.Dom.computedStyle(this.win, headerEl).position === 'sticky'; const header = document.querySelector('.header__fixed') || document.querySelector('.header__wrapper'); const headerFixed = header && SPZCore.Dom.computedStyle(this.win, header).position === 'fixed'; const handleScroll = SPZCore.Types.throttle(this.win, () => { if (isHyde) { if (header && headerSticky) { header.style.marginTop = `${fixedBannerTopContainer.offsetHeight}px`; } else { notFixedBannerTopContainer.style.marginTop = `${fixedBannerTopContainer.offsetHeight}px`; } } if (isEva) { const evaHeader = document.querySelector('header.header'); const isEvaMaskHeader = evaHeader && SPZCore.Dom.computedStyle(this.win, evaHeader).position === 'absolute'; if (!isEvaMaskHeader) return; if (evaHeader.classList.contains('header__fixed')) { evaHeader.style.marginTop = `${fixedBannerTopContainer.offsetHeight}px`; } else { notFixedBannerTopContainer.style.marginTop = `${fixedBannerTopContainer.offsetHeight}px`; } if(document.documentElement.scrollTop === 0) { evaHeader.style.marginTop = '0'; } } if (headerSticky) return; if (headerFixed) { header.style.marginTop = `${fixedBannerTopContainer.offsetHeight}px`; } else { const observer = new MutationObserver((mutationsList, observer) => { for (const mutation of mutationsList) { if (mutation.type === 'childList' && fixedBannerTopContainer.childElementCount > 0) { notFixedBannerTopContainer.style.marginTop = `${fixedBannerTopContainer.offsetHeight}px`; observer.disconnect(); // 停止观察 break; } } }); // 开始观察 fixedBannerTopContainer 的子节点变化 observer.observe(fixedBannerTopContainer, { childList: true, subtree: true }); // 初始检查 if (fixedBannerTopContainer.childElementCount > 0) { notFixedBannerTopContainer.style.marginTop = `${fixedBannerTopContainer.offsetHeight}px`; } if(header) { header.style.marginTop = '0'; } } if (isBoost) { fixedBannerTopContainer.style.zIndex = '1031'; if (boostHeader && boostHeader.classList.contains('header__fixed')) { boostHeader.style.marginTop = `${fixedBannerTopContainer.offsetHeight}px`; } else { notFixedBannerTopContainer.style.marginTop = `${fixedBannerTopContainer.offsetHeight}px`; } } }, 16); window.addEventListener('scroll', handleScroll); window.dispatchEvent(new Event('scroll')); } catch (error) { console.error('error', error); } } // 上报数据 async reportData(data) { // 如果是主题编辑器则不用处理 if(window.top !== window.self) { return; } this.xhr_.fetchJson(API.REPORT, { method: "POST", body: { placement_id: data.placement_id, event: data.event } }); } // 监听购物车变化事件dj.cartChange listenCartChange_() { SPZUtils.Event.listen(document, 'dj.cartChange', (event) => { this.fetchData_('cartChange'); }); } setupAction_() { this.registerAction('handleClose', (invocation) => { const data = invocation.args; const id = data.id; const announcement = document.querySelector(`#announcement-${id}`); announcement && SPZCore.Dom.removeElement(announcement); window.dispatchEvent(new Event('scroll')); }); this.registerAction('handleJumpLink', (invocation) => { const data = invocation.args; if(!data.show_url) return; data.url && window.open(data.url, data.open_new_window ? '_blank' : '_self'); this.reportData({ placement_id: data.id, event: REPORT_EVENT.CLICK }); }); } triggerEvent_(name, data) { const event = SPZUtils.Event.create(this.win, `${ TAG }.${ name }`, data || {}); this.action_.trigger(this.element, name, event); } isLayoutSupported(layout) { return layout == SPZCore.Layout.CONTAINER; } } SPZ.defineElement(TAG, SpzCustomAnnouncement);