{"product_id":"hayes-dominion-a4-グレー-前後セット-ヘイズ-ディスクブレーキ","title":"HAYES DOMINION A4 Disc Brake Set Front\/Rear Gray Hayes","description":"\u003cp class=\"p2\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eStaff Shizuoka's Top Pick: Brake Set\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eDespite its powerful stopping force, the lever feel is incredibly light, making it easy to control and reducing arm fatigue.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eEspecially on downhill rides, you can concentrate on riding with confidence.\u003c\/p\u003e\n\u003cp class=\"p4\"\u003e\u003cspan class=\"s2\"\u003e*Color is gray, sold as a pair (2 sets) for one bike. If you only need one set, please contact us.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe award-winning \u003cstrong\u003eDominion A4\u003c\/strong\u003e is a 4-piston disc brake designed for ultimate stopping power and control. It incorporates motorsport-inspired technology to deliver peak performance across all temperatures.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Technologies\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eLow Input - High Fidelity (LoFi):\u003c\/strong\u003e Operates with light force, providing predictable and progressive braking power and a crisp bite point.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eUltimate Caliper Rigidity:\u003c\/strong\u003e Features a cold-forged caliper with Ø17mm 4-pistons. The KingPin pad retention bolt further enhances rigidity.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eMinimal Dead Stroke:\u003c\/strong\u003e The master cylinder is factory-tuned to minimize the play between pulling the lever and brake engagement.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eCrosshair Caliper Alignment:\u003c\/strong\u003e Utilizes a screw mechanism for quick and precise micro-adjustment of caliper position, reducing setup stress.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eMRC (Modal Resonance Cancellation):\u003c\/strong\u003e When paired with D-series rotors, it suppresses resonance, canceling brake noise and vibration.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eSRL (Short Reach Lever):\u003c\/strong\u003e A short reach model is available for riders with smaller hands or those who prefer a closer lever position.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 310g\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eHose Length:\u003c\/strong\u003e 180cm (Kevlar)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eFluid:\u003c\/strong\u003e DOT 5.1\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003ePiston Diameter:\u003c\/strong\u003e 17mm\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eLever Adjustment:\u003c\/strong\u003e Tool-free reach adjustment\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eLever Pivot:\u003c\/strong\u003e Sealed cartridge bearing\u003c\/li\u003e\n\n\u003cstrong\u003eFlip-flop Design:\u003c\/strong\u003e The lever can be used on either the left or right side.\n\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003ePackage Contents\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\n\u003cli\u003eDominion A4 brake unit\u003c\/li\u003e\n\n\u003cli\u003eIncludes 2 types of brake pads:\n\u003cul\u003e\n\n\u003cli\u003eSemi-Met T106 (installed in caliper)\u003c\/li\u003e\n\n\u003cli\u003eSintered T100 (included as spare)\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003e*Rotors and mounting brackets are sold separately.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eNotes on Purchase\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\n\u003cli\u003eThe hose diameter of this product is \u003cstrong\u003e5.5mm\u003c\/strong\u003e. Some frames (e.g., Specialized Turbo Levo, Stumpjumper, etc.) may require modification or ingenuity to pass through their internal routing guides.\u003c\/li\u003e\n\n\u003cli\u003eWhen tightening the master cylinder's bleed screw, please avoid excessive torque (specified at 1.5nm).\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Grumpy Bike Shop","offers":[{"title":"Gray","offer_id":51620042866990,"sku":null,"price":88000.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0591\/3919\/5064\/files\/hayesdominiona45.jpg?v=1768113131","url":"https:\/\/www.grumpy.jp\/en\/products\/hayes-dominion-a4-%e3%82%b0%e3%83%ac%e3%83%bc-%e5%89%8d%e5%be%8c%e3%82%bb%e3%83%83%e3%83%88-%e3%83%98%e3%82%a4%e3%82%ba-%e3%83%87%e3%82%a3%e3%82%b9%e3%82%af%e3%83%96%e3%83%ac%e3%83%bc%e3%82%ad","provider":"Grumpy Bike Shop","version":"1.0","type":"link"}