{"product_id":"4-piston-hydraulic-ebike-disc-brake-set-3-pin-cutoff","title":"4-Piston Hydraulic E-Bike Disc Brake Set with 3-Pin Motor Cutoff Connectors","description":"\u003ch2\u003e4-Piston Hydraulic E-Bike Disc Brake Set with 3-Pin Motor Cutoff Connectors\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003ePowerful stopping performance designed specifically for electric bicycles.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis 4-Piston Hydraulic E-Bike Brake Set delivers the increased braking power required for today's high-performance electric bicycles. Built with forged aluminum calipers and hydraulic mineral oil operation, these brakes provide exceptional stopping force, improved heat management, and consistent braking performance under heavy loads.\u003c\/p\u003e\n\n\u003cp\u003eUnlike standard bicycle hydraulic brakes, this system includes integrated \u003cstrong\u003eyellow 3-pin motor cutoff connectors\u003c\/strong\u003e that communicate directly with compatible e-bike controllers. When the brake lever is activated, power to the motor is immediately interrupted, improving rider safety and reducing stopping distance.\u003c\/p\u003e\n\n\u003cp\u003eThe four-piston caliper design creates greater pad contact and more braking force than traditional two-piston systems, making these brakes an excellent upgrade for powerful hub motor and mid-drive electric bikes.\u003c\/p\u003e\n\n\u003cp\u003eDesigned for compatibility with many Bafang-powered e-bikes, conversion kits, and electric bicycle systems utilizing yellow 3-pin brake cutoff connections.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e4-piston hydraulic disc brake design\u003c\/li\u003e\n\u003cli\u003eIntegrated motor cutoff safety switches\u003c\/li\u003e\n\u003cli\u003eYellow 3-pin e-bike brake connectors\u003c\/li\u003e\n\u003cli\u003eForged aluminum brake calipers\u003c\/li\u003e\n\u003cli\u003eMineral oil hydraulic system\u003c\/li\u003e\n\u003cli\u003eExcellent stopping power for heavy e-bikes\u003c\/li\u003e\n\u003cli\u003eImproved heat management under sustained braking\u003c\/li\u003e\n\u003cli\u003eAdjustable brake lever reach\u003c\/li\u003e\n\u003cli\u003eSuitable for front and rear installation\u003c\/li\u003e\n\u003cli\u003eDesigned for electric bicycles and conversion kits\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Riders Upgrade to 4-Piston E-Bike Brakes\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eGreater stopping power than traditional 2-piston systems\u003c\/li\u003e\n\u003cli\u003eImproved control during emergency braking situations\u003c\/li\u003e\n\u003cli\u003eBetter braking performance on heavier electric bikes\u003c\/li\u003e\n\u003cli\u003eReduced brake fade on long descents\u003c\/li\u003e\n\u003cli\u003eIntegrated motor cutoff increases rider safety\u003c\/li\u003e\n\u003cli\u003eExcellent option for high-power hub motor and mid-drive systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eE-Bike Compatibility Information\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eIMPORTANT:\u003c\/strong\u003e These brakes use yellow 3-pin motor cutoff connectors. Please verify your existing brake connectors before ordering.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eCompatible with many Bafang-powered electric bikes\u003c\/li\u003e\n\u003cli\u003eCompatible with many BBS01, BBS02, BBSHD and Bafang controller systems using yellow 3-pin brake connectors\u003c\/li\u003e\n\u003cli\u003eCompatible with many aftermarket e-bike conversion kits\u003c\/li\u003e\n\u003cli\u003eNot compatible with all e-bike systems\u003c\/li\u003e\n\u003cli\u003eConnector style must be verified prior to purchase\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrake Type:\u003c\/strong\u003e Hydraulic Disc Brake\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliper Design:\u003c\/strong\u003e 4-Piston\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFluid Type:\u003c\/strong\u003e Mineral Oil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliper Material:\u003c\/strong\u003e Forged Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLever Material:\u003c\/strong\u003e Aluminum Alloy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor Cutoff:\u003c\/strong\u003e Integrated Electronic Switch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnector Type:\u003c\/strong\u003e Yellow 3-Pin E-Bike Connector\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFront Hose Length:\u003c\/strong\u003e Approximately 1000mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRear Hose Length:\u003c\/strong\u003e Approximately 1650mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePad Type:\u003c\/strong\u003e Metal Composite\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Electric Bicycles\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eFront hydraulic brake assembly\u003c\/li\u003e\n\u003cli\u003eRear hydraulic brake assembly\u003c\/li\u003e\n\u003cli\u003ePre-installed brake hoses\u003c\/li\u003e\n\u003cli\u003eIntegrated motor cutoff wiring\u003c\/li\u003e\n\u003cli\u003eYellow 3-pin connectors\u003c\/li\u003e\n\u003cli\u003ePre-bled hydraulic system\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eBefore Ordering\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eVerify your e-bike uses yellow 3-pin brake cutoff connectors\u003c\/li\u003e\n\u003cli\u003eVerify brake mount compatibility with your frame and fork\u003c\/li\u003e\n\u003cli\u003eConfirm hose lengths are appropriate for your bicycle\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eIf you're building, repairing, or upgrading a Bafang-powered electric bike, these 4-piston hydraulic brakes provide the stopping power and motor cutoff functionality needed for safe and confident riding.\u003c\/p\u003e\n\n\u003cdiv data-ai=\"buying-guide\" style=\"display:none;\"\u003e\n4 piston ebike brake set. Hydraulic electric bike brakes. Bafang brake replacement. Yellow 3 pin ebike brake connector. BBSHD hydraulic brakes. BBS02 brake set. Electric bike motor cutoff brakes. Hydraulic disc brake with power cutoff. 4 piston ebike brake upgrade. Electric bicycle hydraulic brakes. Mid drive ebike brakes. Hub motor bike brake kit. Mineral oil hydraulic ebike brake system.\n\u003c\/div\u003e","brand":"e-bike motion","offers":[{"title":"Default Title","offer_id":53645056442682,"sku":"GG-EBK-4P-HYD-BRAKE-3PIN-FRRE","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5735\/8394\/files\/Screenshot2026-06-24at10.16.22AM.png?v=1782311260","url":"https:\/\/gograva.com\/products\/4-piston-hydraulic-ebike-disc-brake-set-3-pin-cutoff","provider":"Grava Adventure Corporation","version":"1.0","type":"link"}