{"title":"E-bike Brake Set","description":null,"products":[{"product_id":"tektro-hd-e3520-e-bike-hydraulic-disc-brake-set-900-1850mm","title":"Tektro HD-E3520 E-Bike Disc Brake Set 2pin E350 Upgraded Version Front\/Rear-OE,No Retail Box","description":"\u003ch1\u003eTEKTRO HD-E3520 E-Bike Hydraulic Disc Brake Set (Left Front 900mm Connected \/ Right Rear 1850mm Split) - OEM Bulk\u003c\/h1\u003e\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e TEKTRO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e HD-E3520 \/ E3520 Series\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Type:\u003c\/strong\u003e E-Bike Hydraulic Disc Brake Set with Integrated Power Cut-Off Sensor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition \u0026amp; Hose Length:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeft Front:\u003c\/strong\u003e 900 mm (Pre-Connected \u0026amp; Fully Bled)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRight Rear:\u003c\/strong\u003e 1850 mm (Split \/ Disconnected Hose for Internal Routing)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliper Type:\u003c\/strong\u003e 2-Piston Open System Hydraulic Caliper\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLever Design:\u003c\/strong\u003e Ergonomic 3-Finger Aluminum Lever Blade with Integrated Sensor Switch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor Connector:\u003c\/strong\u003e Electronic Motor Cut-Off Sensor (Standard E-Bike Connection)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFluid Type:\u003c\/strong\u003e Tektro High-Performance Non-Corrosive Mineral Oil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount Standard:\u003c\/strong\u003e Post Mount (74mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Anodized Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e 100% Authentic Brand New\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e OEM Bulk (Protective Polybag)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Choose Tektro HD-E3520 E-Bike Brakes?\u003c\/h2\u003e\n\u003ch3\u003e1. Integrated E-Bike Motor Safety Cut-Off\u003c\/h3\u003e\n\u003cp\u003eEach brake lever features a factory-integrated electronic sensor switch that signals your e-bike controller to cut power to the hub or mid-drive motor immediately when braking, maximizing safety and extending brake pad life.\u003c\/p\u003e\n\u003ch3\u003e2. Split Rear Hose for Easy Internal Routing\u003c\/h3\u003e\n\u003cp\u003eThe 1850mm rear brake hose is disconnected from the factory so you can thread the hose through internal frame ports and chainstays effortlessly without creating fluid leaks or requiring complete teardowns.\u003c\/p\u003e\n\u003ch3\u003e3. Ready-To-Install Connected Front Brake\u003c\/h3\u003e\n\u003cp\u003eThe 900mm front brake comes completely assembled, bled, and sealed right out of the polybag, allowing for quick bolt-on mounting to standard post-mount suspension or rigid forks.\u003c\/p\u003e\n\u003ch2\u003eCompatibility \u0026amp; Installation Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame \u0026amp; Hose Fitment:\u003c\/strong\u003e Designed for standard e-bike frames requiring internal routing (rear 1850mm split) and standard front routing (front 900mm connected).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor Cut-Off Wiring:\u003c\/strong\u003e Verify sensor plug pin compatibility with your e-bike motor controller (2-pin \/ 3-pin standard e-bike brake connector).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotor \u0026amp; Adapter Compatibility:\u003c\/strong\u003e Fully compatible with 160mm and 180mm Tektro, Shimano, and TRP rotors (rotors and mounting adapters sold separately).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation Tip:\u003c\/strong\u003e Once the rear split hose is routed inside the frame, connect it securely to the lever fitting. A quick bleed on the rear line is recommended after final assembly for optimal lever firmness.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions (FAQ)\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does \"Left Front Connected \/ Right Rear Split\" mean?\u003c\/strong\u003e\u003cbr\u003eA: The Left-Front 900mm brake is fully assembled and pre-bled for immediate mounting. The Right-Rear 1850mm brake comes with the hose disconnected from the lever so you can route the cable inside your bike frame cleanly before linking the fluid connection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this brake set include electric power cut-off sensors?\u003c\/strong\u003e\u003cbr\u003eA: Yes! Both left and right levers include integrated motor cut-off sensors designed specifically for e-bikes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Are rotors or mounting adapters included?\u003c\/strong\u003e\u003cbr\u003eA: No, this listing includes front\/rear levers, calipers, e-bike sensor wires, and pre-charged hydraulic lines. Rotors and post-mount adapters are sold separately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this authentic Tektro?\u003c\/strong\u003e\u003cbr\u003eA: Yes, 100% genuine Tektro factory components sourced directly through authorized OEM supply channels.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Fast Domestic Shipping?\u003c\/strong\u003e\u003cbr\u003eA: Yes, all orders ship directly from our US warehouse for quick delivery.\u003c\/p\u003e","brand":"Tektro","offers":[{"title":"Set","offer_id":52741698715948,"sku":"MK203-Set","price":97.99,"currency_code":"USD","in_stock":true},{"title":"Right Rear 1850mm Split","offer_id":52741698683180,"sku":"MK203-RR","price":51.99,"currency_code":"USD","in_stock":true},{"title":"Left front 900mm Connected","offer_id":52741698650412,"sku":"MK203-LF","price":46.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0944\/3357\/5212\/files\/Tektro_HD-E3520_E-Bike_Hydraulic_Disc_Brake_Set_900mm_1850mm_Split_System.jpg?v=1787732695"},{"product_id":"tektro-hd-e3940-e-bike-4-piston-hydraulic-disc-brake-set","title":"Tektro Super73 HD-E3940 E-bike Power Control 4 pistons Hydraulic Brake 2Pin-OE,No Retail Box","description":"\u003ch1\u003eTEKTRO HD-E3940 E-Bike 4-Piston Hydraulic Disc Brake Set - OEM Bulk\u003c\/h1\u003e\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e TEKTRO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e HD-E3940\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Type:\u003c\/strong\u003e E-Bike 4-Piston Open System Hydraulic Disc Brake\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliper Architecture:\u003c\/strong\u003e 4-Piston Forged Aluminum Caliper\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLever Design:\u003c\/strong\u003e Ergonomic 3-Finger Cast Aluminum Lever Blade with Integrated Reed Sensor Switch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor Switch Connection:\u003c\/strong\u003e Integrated Electronic Motor Power Cut-Off Cable (Standard E-Bike Connection)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFluid Type:\u003c\/strong\u003e Tektro High-Performance Non-Corrosive Mineral Oil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount Standard:\u003c\/strong\u003e Post Mount (74mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Matte Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePad Compatibility:\u003c\/strong\u003e Tektro High-Performance Metal Ceramic \/ Resin Pads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e 100% Authentic Brand New\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e OEM Bulk (Protective Polybag)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Choose Tektro HD-E3940 E-Bike Brakes?\u003c\/h2\u003e\n\u003ch3\u003e1. High-Torque 4-Piston Stopping Leverage\u003c\/h3\u003e\n\u003cp\u003eFour-piston caliper construction dramatically increases pad contact area and clamping force compared to standard 2-piston brakes, ensuring short stopping distances for heavy e-bikes and cargo setups.\u003c\/p\u003e\n\u003ch3\u003e2. Integrated E-Bike Motor Safety Cut-Off\u003c\/h3\u003e\n\u003cp\u003eEach lever is equipped with a factory-installed electronic sensor cable that immediately cuts motor power when the brake lever is engaged, preventing motor drag and extending brake pad life.\u003c\/p\u003e\n\u003ch3\u003e3. Superior Heat Dissipation \u0026amp; Modulation\u003c\/h3\u003e\n\u003cp\u003eThe open hydraulic system and high-capacity caliper volume efficiently dissipate heat during heavy, continuous braking—eliminating lever fade and pad glazing on long downhill rides.\u003c\/p\u003e\n\u003ch2\u003eCompatibility \u0026amp; Installation Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor Wiring:\u003c\/strong\u003e Compatible with most standard e-bike motor controllers requiring sensor-based motor cut-off (check connector pin type on your controller).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotor Compatibility:\u003c\/strong\u003e Compatible with 160mm, 180mm, and 203mm rotors (rotors and post-mount adapters sold separately).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBleeding \u0026amp; Maintenance:\u003c\/strong\u003e Uses non-corrosive mineral oil for easy maintenance and environmentally safe servicing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions (FAQ)\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this brake set include motor cut-off sensor cables?\u003c\/strong\u003e\u003cbr\u003eA: Yes! The levers feature integrated electronic power cut-off sensor cables designed specifically for e-bike motor controllers.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this a 2-piston or 4-piston brake system?\u003c\/strong\u003e\u003cbr\u003eA: The HD-E3940 is a heavy-duty 4-piston hydraulic system built for higher stopping demands on e-bikes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this authentic Tektro?\u003c\/strong\u003e\u003cbr\u003eA: Yes, 100% genuine Tektro factory components sourced directly through authorized OEM supply channels.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is OEM bulk packaging?\u003c\/strong\u003e\u003cbr\u003eA: Items ship in industrial protective polybags instead of retail display boxes to pass direct savings to you.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Fast Domestic Shipping?\u003c\/strong\u003e\u003cbr\u003eA: Yes, all orders ship directly from our US warehouse for quick delivery.\u003c\/p\u003e","brand":"Tektro","offers":[{"title":"Default Title","offer_id":52756001620268,"sku":"MK220-US","price":143.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0944\/3357\/5212\/files\/Tektro_HD-E3940_E-Bike_4-Piston_Hydraulic_Disc_Brake_Set_with_Sensor_Cables.jpg?v=1787732900"},{"product_id":"trp-trail-evo-hd-m843-hydraulic-disc-brake-set-front-rear-enduro-e-bike-4-piston","title":"TRP TRAIL EVO HD-M843 4 Pistons Hydraulic Disc Brake Set Front Rear Enduro E-Bike Split-OE,No Retail Box","description":"\u003ch1\u003eTRP M843 4-Piston Hydraulic Disc Brake Set (Left Front 1000mm \/ Right Rear 1850mm) - Split System OEM Bulk\u003c\/h1\u003e\n\n\u003cp\u003eEquip your trail, enduro, or e-mountain bike with genuine \u003cstrong\u003eTRP M843 4-Piston Hydraulic Disc Brakes\u003c\/strong\u003e. Supplied in a standard US lever configuration (Left-Front \/ Right-Rear) with generous 1000mm front and 1850mm rear hose lengths, this high-performance brake set features a \u003cstrong\u003esplit\/disconnected hose design\u003c\/strong\u003e engineered specifically for effortless internal frame routing without creating mess or losing fluid.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e TRP (Tektro Racing Products)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e M843\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCaliper Type:\u003c\/strong\u003e 4-Piston Hydraulic Disc Brake Caliper\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLever Orientation:\u003c\/strong\u003e Left Lever = Front Brake \/ Right Lever = Rear Brake (Standard US Setup)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHose Lengths:\u003c\/strong\u003e Front: 1000 mm \/ Rear: 1850 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSystem Configuration:\u003c\/strong\u003e Split \/ Disconnected Hose (Pre-bled calipers\/levers for internal routing)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFluid Type:\u003c\/strong\u003e TRP Mineral Oil\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMount Standard:\u003c\/strong\u003e Post Mount (74mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Matte Black\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e 100% Authentic Brand New\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e OEM Bulk (Protective Polybag)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose TRP M843 4-Piston Brakes?\u003c\/h2\u003e\n\u003ch3\u003e1. High-Torque 4-Piston Braking Power\u003c\/h3\u003e\n\u003cp\u003eFour-piston caliper architecture provides superior clamping force, thermal stability, and progressive lever modulation for demanding technical descents and heavy e-MTB setups.\u003c\/p\u003e\n\n\u003ch3\u003e2. Effortless Internal Frame Routing (Split System)\u003c\/h3\u003e\n\u003cp\u003eThe split hose configuration allows you to feed the rear brake hose through internal frame ports and chainstays cleanly before completing the final lever connection, avoiding unnecessary hose cutting or full fluid flushes.\u003c\/p\u003e\n\n\u003ch3\u003e3. Ergonomic Levers \u0026amp; Tool-Less Reach Adjustment\u003c\/h3\u003e\n\u003cp\u003eLightweight alloy lever blades feature textured finger grips and built-in reach adjusters, allowing quick customization for perfect one-finger or two-finger braking ergonomics.\u003c\/p\u003e\n\n\u003ch2\u003eCompatibility \u0026amp; Installation Notes\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame \u0026amp; Fork Fitment:\u003c\/strong\u003e Standard Post Mount calipers fit 74mm post-mount forks and frames.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRotor \u0026amp; Adapter Compatibility:\u003c\/strong\u003e Compatible with 160mm, 180mm, 203mm, and 220mm rotors (rotors and post-mount adapters sold separately).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstallation Tip:\u003c\/strong\u003e Connect the split hose to the lever following internal routing. While calipers and levers come pre-charged with mineral oil, a quick system bleed after final hose connection is recommended for optimal lever feel.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions (FAQ)\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does \"Split System\" mean?\u003c\/strong\u003e\u003cbr\u003e\nA: The brake hoses are disconnected from the levers\/calipers from the factory so you can route the rear hose through internal frame channels easily without draining the whole system.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is the lever setup orientation?\u003c\/strong\u003e\u003cbr\u003e\nA: This set follows standard US configuration: Left Lever operates the Front Brake (1000mm hose); Right Lever operates the Rear Brake (1850mm hose).\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Are rotors and caliper adapters included?\u003c\/strong\u003e\u003cbr\u003e\nA: No, this package includes the front and rear brake levers, split hoses, and 4-piston calipers only. Rotors and mounting adapters are sold separately.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is this authentic TRP?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes, 100% genuine TRP factory components sourced directly through authorized OEM supply channels.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Fast Domestic Shipping?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes, all orders ship directly from our US warehouse for quick delivery.\u003c\/p\u003e","brand":"TRP","offers":[{"title":"Default Title","offer_id":52756435632428,"sku":"MK161-US","price":109.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0944\/3357\/5212\/files\/TRP_M843_4-Piston_Hydraulic_Disc_Brake_Set_Left_Front_Right_Rear_Split_System.jpg?v=1787653781"},{"product_id":"tektro-hd-e3940-e-bike-power-control-4-pistons-hydraulic-brake-electric-2pin-set","title":"Tektro HD-E3940 E-bike Power Control 4 pistons Hydraulic Brake Electric 2pin Set 2.3mm Rotors 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\/* 选中状态下的 Tab 按钮样式 *\/\n  #tab-desc:checked ~ .yanzo-tab-headers label[for=\"tab-desc\"],\n  #tab-specs:checked ~ .yanzo-tab-headers label[for=\"tab-specs\"],\n  #tab-qa:checked ~ .yanzo-tab-headers label[for=\"tab-qa\"],\n  #tab-shipping:checked ~ .yanzo-tab-headers label[for=\"tab-shipping\"] {\n    color: #111827;\n    border-bottom-color: #111827;\n  }\n\n  \/* 内容面板默认隐藏 *\/\n  .yanzo-tab-panel {\n    display: none;\n  }\n\n  \/* 根据选中的 Radio 显示对应的内容面板 *\/\n  #tab-desc:checked ~ .yanzo-tab-content #content-desc,\n  #tab-specs:checked ~ .yanzo-tab-content #content-specs,\n  #tab-qa:checked ~ .yanzo-tab-content #content-qa,\n  #tab-shipping:checked ~ .yanzo-tab-content #content-shipping {\n    display: block;\n  }\n\n  \/* 详情页排版样式 *\/\n  .yanzo-h2 {\n    font-size: 17px;\n    font-weight: 800;\n    letter-spacing: 0.5px;\n    text-transform: uppercase;\n    margin: 0 0 6px 0;\n    color: #111827;\n  }\n  .yanzo-subhead {\n    font-size: 12px;\n    font-weight: 700;\n    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 display: flex;\n    gap: 6px;\n  }\n  .yanzo-qa-a {\n    font-size: 13px;\n    line-height: 1.5;\n    color: #4B5563;\n    padding-left: 22px;\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"yanzo-tab-container\"\u003e\n  \u003c!-- 隐藏的控制状态 Radio 按钮 --\u003e\n  \u003cinput type=\"radio\" id=\"tab-desc\" name=\"yanzo-tabs\" checked\u003e\n  \u003cinput type=\"radio\" id=\"tab-specs\" name=\"yanzo-tabs\"\u003e\n  \u003cinput type=\"radio\" id=\"tab-qa\" name=\"yanzo-tabs\"\u003e\n  \u003cinput type=\"radio\" id=\"tab-shipping\" name=\"yanzo-tabs\"\u003e\n\n  \u003c!-- 网格平分 4 个 Tab 按钮 --\u003e\n  \u003cdiv class=\"yanzo-tab-headers\"\u003e\n    \u003clabel for=\"tab-desc\"\u003eDETAILS\u003c\/label\u003e\n    \u003clabel for=\"tab-specs\"\u003eSPECS\u003c\/label\u003e\n    \u003clabel for=\"tab-qa\"\u003eQ\u0026amp;A\u003c\/label\u003e\n    \u003clabel for=\"tab-shipping\"\u003eSHIPPING\u003c\/label\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- 选项卡对应的具体内容区域 --\u003e\n  \u003cdiv class=\"yanzo-tab-content\"\u003e\n    \u003c!-- 面板 1: DETAILS --\u003e\n    \u003cdiv class=\"yanzo-tab-panel\" id=\"content-desc\"\u003e\n      \u003cdiv class=\"yanzo-h2\"\u003eTEKTRO E3940 E-BIKE HYDRAULIC DISC BRAKE SET (POWER CUT-OFF SENSOR)\u003c\/div\u003e\n      \u003cdiv class=\"yanzo-subhead\"\u003eLEFT-FRONT 900MM ONE-PIECE \u0026amp; RIGHT-REAR 1850MM SPLIT HOSE CONFIGURATION\u003c\/div\u003e\n      \u003cdiv class=\"yanzo-intro\"\u003e\n        Upgrade your high-speed electric bicycle, cargo bike, or heavy-duty E-MTB with the Tektro E3940 hydraulic disc brake set. Engineered specifically for E-Bikes, it features integrated electric power cut-off sensors to instantly disable motor drive during braking. This setup includes a pre-bled 900mm left-front system and an extended 1850mm right-rear system designed with a split hose connection for effortless internal frame routing.\n      \u003c\/div\u003e\n      \u003cdiv class=\"yanzo-features-title\"\u003eFEATURES\u003c\/div\u003e\n      \u003cul class=\"yanzo-list\"\u003e\n        \u003cli\u003e\n\u003cstrong\u003eE-Bike Electric Power Cut-Off Sensor:\u003c\/strong\u003e Integrated electrical brake sensor cuts motor power immediately upon lever pull, dramatically enhancing stopping safety and reducing motor drag.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eLeft-Front 900mm One-Piece Assembly:\u003c\/strong\u003e Pre-bled, fully connected left-front brake ready for quick bolt-on installation.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eRight-Rear 1850mm Split Hose System:\u003c\/strong\u003e Features a quick-connect \/ split hose design that simplifies internal frame routing without losing fluid.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Heat Dissipation:\u003c\/strong\u003e Calipers engineered for maximum heat tolerance and consistent lever feel under high-speed E-Bike stopping loads.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eMultiple Rotor Bundle Options:\u003c\/strong\u003e Choose between the standalone brake set or complete packages featuring 2.3mm heavy-duty unbranded rotors (180mm, 203mm, or mixed size).\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n\n    \u003c!-- 面板 2: SPECS --\u003e\n    \u003cdiv class=\"yanzo-tab-panel\" id=\"content-specs\"\u003e\n      \u003cul class=\"yanzo-list\"\u003e\n        \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e TEKTRO\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e E3940\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eBrake System Type:\u003c\/strong\u003e Hydraulic Disc Brake with Power Cut-Off Sensor\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHose Orientation \u0026amp; Length:\u003c\/strong\u003e\n          \u003cul\u003e\n            \u003cli\u003e\n\u003cstrong\u003eLeft Front:\u003c\/strong\u003e 900 mm (Integrated One-Piece)\u003c\/li\u003e\n            \u003cli\u003e\n\u003cstrong\u003eRight Rear:\u003c\/strong\u003e 1850 mm (Split Hose \/ Quick Disconnect Design for Internal Routing)\u003c\/li\u003e\n          \u003c\/ul\u003e\n        \u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eFluid Type:\u003c\/strong\u003e Mineral Oil (Pre-bled)\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eSensor Plug Type:\u003c\/strong\u003e Standard E-Bike Motor Cut-off Connector\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eAvailable Bundle Options:\u003c\/strong\u003e\n          \u003cul\u003e\n            \u003cli\u003e\n\u003cstrong\u003eBrake Set Only:\u003c\/strong\u003e Front \u0026amp; Rear Calipers + Levers (Pre-bled)\u003c\/li\u003e\n            \u003cli\u003e\n\u003cstrong\u003eBrake Set + 2x 180mm Rotors:\u003c\/strong\u003e Includes 2x 180mm Heavy-Duty Rotors (2.3mm thick, Unbranded)\u003c\/li\u003e\n            \u003cli\u003e\n\u003cstrong\u003eBrake Set + 2x 203mm Rotors:\u003c\/strong\u003e Includes 2x 203mm Heavy-Duty Rotors (2.3mm thick, Unbranded)\u003c\/li\u003e\n            \u003cli\u003e\n\u003cstrong\u003eBrake Set + Mixed Rotors:\u003c\/strong\u003e Includes 1x 180mm + 1x 203mm Heavy-Duty Rotors (2.3mm thick, Unbranded)\u003c\/li\u003e\n          \u003c\/ul\u003e\n        \u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Genuine Tektro Workshop \/ Bulk Packaging\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n\n    \u003c!-- 面板 3: Q\u0026A --\u003e\n    \u003cdiv class=\"yanzo-tab-panel\" id=\"content-qa\"\u003e\n      \u003cdiv class=\"yanzo-qa-item\"\u003e\n        \u003cdiv class=\"yanzo-qa-q\"\u003e\n\u003cspan\u003eQ:\u003c\/span\u003e What is the advantage of the split hose (分体) on the rear brake?\u003c\/div\u003e\n        \u003cdiv class=\"yanzo-qa-a\"\u003eA: The 1850mm rear hose features a split disconnect design, making it extremely easy to route through internal bicycle frames without disconnecting the main caliper or needing a complex bleed afterward.\u003c\/div\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"yanzo-qa-item\"\u003e\n        \u003cdiv class=\"yanzo-qa-q\"\u003e\n\u003cspan\u003eQ:\u003c\/span\u003e Will the motor cut-off sensor work with my E-Bike controller?\u003c\/div\u003e\n        \u003cdiv class=\"yanzo-qa-a\"\u003eA: The E3940 features standard E-Bike power cut-off wiring. It is compatible with most standard motor controllers (Bafang, Rad Power, Lectric, Ariel Rider, etc.) that support two-pin\/three-pin brake sensor inputs.\u003c\/div\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"yanzo-qa-item\"\u003e\n        \u003cdiv class=\"yanzo-qa-q\"\u003e\n\u003cspan\u003eQ:\u003c\/span\u003e Are 2.3mm thick rotors necessary for E-Bikes?\u003c\/div\u003e\n        \u003cdiv class=\"yanzo-qa-a\"\u003eA: 2.3mm extra-thick rotors provide superior stiffness and thermal capacity compared to standard 1.8mm rotors, significantly reducing heat warping and brake fade under high weight and motor speed.\u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n\n    \u003c!-- 面板 4: SHIPPING --\u003e\n    \u003cdiv class=\"yanzo-tab-panel\" id=\"content-shipping\"\u003e\n      \u003cul class=\"yanzo-list\"\u003e\n        \u003cli\u003e\n\u003cstrong\u003eProcessing Time:\u003c\/strong\u003e Ships within 24–48 hours from our California warehouse.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eDelivery Time:\u003c\/strong\u003e Standard shipping usually arrives within 3–7 business days across the US mainland.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eTracking:\u003c\/strong\u003e Tracking information will be emailed immediately once your package is dispatched.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Tektro","offers":[{"title":"Brakes Only","offer_id":53805033586988,"sku":"MK146-US-Brakes Only","price":144.99,"currency_code":"USD","in_stock":true},{"title":"Brakes \u0026 2*180mm Thickness Disc Brake Rotor 2.3MM E-Bike","offer_id":53805033619756,"sku":"MK146-US-Brakes \u0026 2*180mm Thickness Disc Brake Rotor 2.3MM E-Bike","price":169.99,"currency_code":"USD","in_stock":true},{"title":"Brakes \u0026 2*203mm Thickness Disc Brake Rotor 2.3MM E-Bike","offer_id":53805033652524,"sku":"MK146-US-Brakes \u0026 2*203mm Thickness Disc Brake Rotor 2.3MM E-Bike","price":173.99,"currency_code":"USD","in_stock":true},{"title":"Brakes \u0026 180mm+203mm Set Thickness Disc Brake Rotor 2.3MM E-Bike","offer_id":53805033685292,"sku":"MK146-US-Brakes \u0026 180mm+203mm Set Thickness Disc Brake Rotor 2.3MM E-Bike","price":173.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0944\/3357\/5212\/files\/Main_Image_TEKTRO_E3940_4-Piston_E-Bike_Hydraulic_Disc_Brake_Set_Left_Front_Right_Rear.jpg?v=1787308104"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0944\/3357\/5212\/collections\/3a7868176a726b702dcbf55c5bc9034c_19fbabb5-b965-42ee-b7b3-d73deb431f08.jpg?v=1788342949","url":"https:\/\/yanzocycling.com\/collections\/e-bike-brake-set.oembed","provider":"YanzoCycling","version":"1.0","type":"link"}