{"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","url":"https:\/\/yanzocycling.com\/products\/tektro-hd-e3520-e-bike-hydraulic-disc-brake-set-900-1850mm","provider":"YanzoCycling","version":"1.0","type":"link"}