{"product_id":"rekluse-foot-master-cylinder-brake-kit-ktm-husqvarna-gasgas-rms-5310006","title":"Rekluse - Foot Brake Master Cylinder Kit - KTM, Husqvarna, GasGas, Ducati, Triumph Dirtbikes","description":"\u003ch1\u003eRekluse \u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eFoot Brake Master Cylinder Kit for KTM, Husqvarna, GasGas, Ducati and Triumph Dualsports\u003c\/span\u003e\n\u003c\/h1\u003e\n\u003cp data-path-to-node=\"3\"\u003e\u003cspan\u003eThe Rekluse Foot Brake Master Cylinder Kit (RMS-5310006) is a precision-engineered,\u003c\/span\u003e\u003cspan\u003e billet aluminum rear brake master cylinder designed to replace factory cast master cylinders on KTM,\u003c\/span\u003e\u003cspan\u003e Husqvarna,\u003c\/span\u003e\u003cspan\u003e and GASGAS off-road and motocross motorcycles.\u003c\/span\u003e\u003cspan\u003e Factory cast units (Brembo and Braktec) are prone to fluid overheating,\u003c\/span\u003e\u003cspan\u003e piston seal wear under abrasive roost,\u003c\/span\u003e\u003cspan\u003e and internal port blockage that leads to lever fade and inconsistent rear wheel lockup during aggressive descent braking.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"4\"\u003e\u003cspan\u003eCNC-machined in Boise,\u003c\/span\u003e\u003cspan\u003e Idaho from aircraft-grade billet aluminum and finished in durable hard anodizing,\u003c\/span\u003e\u003cspan\u003e the Rekluse foot master cylinder features an optimized hydraulic bore geometry and high-durability internal seals that resist heat-induced pressure drop.\u003c\/span\u003e\u003cspan\u003e Engineered as a heavy-duty standalone performance upgrade,\u003c\/span\u003e\u003cspan\u003e it also serves as the dedicated hydraulic junction required for riders integrating a Rekluse Left-Hand Rear Brake (LHRB) system—allowing simultaneous,\u003c\/span\u003e\u003cspan\u003e independent actuation from either the left handlebar lever or the standard right foot pedal.\u003c\/span\u003e\u003cspan\u003e The assembly is fully rebuildable and integrates seamlessly into the OEM frame mounting tabs and foot pedal linkage.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4 data-path-to-node=\"5\"\u003eFeatures:\u003c\/h4\u003e\n\u003cul data-path-to-node=\"6\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,0,0\"\u003e\u003cb data-path-to-node=\"6,0,0\" data-index-in-node=\"0\"\u003eBillet CNC Aluminum Construction:\u003c\/b\u003e\u003cspan\u003e Replaces fragile OEM cast bodies with a high-strength,\u003c\/span\u003e\u003cspan\u003e hard-anodized billet housing that resists impacts and thermal warping.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,1,0\"\u003e\u003cb data-path-to-node=\"6,1,0\" data-index-in-node=\"0\"\u003eConsistent Brake Modulation:\u003c\/b\u003e\u003cspan\u003e Optimized internal piston and valving provide linear pressure ramp-up,\u003c\/span\u003e\u003cspan\u003e eliminating spongy pedal feel and heat-induced fade.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,2,0\"\u003e\u003cb data-path-to-node=\"6,2,0\" data-index-in-node=\"0\"\u003eLHRB Dual-Actuation Ready:\u003c\/b\u003e\u003cspan\u003e Configured to operate either as a standalone high-performance foot master cylinder or as the foundational link for Rekluse dual-actuated Left-Hand Rear Brake kits.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,3,0\"\u003e\u003cb data-path-to-node=\"6,3,0\" data-index-in-node=\"0\"\u003eDurable Internal Seal Package:\u003c\/b\u003e\u003cspan\u003e Long-life sealing materials withstand extreme temperature swings and high duty-cycles in muddy or sandy environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,4,0\"\u003e\u003cb data-path-to-node=\"6,4,0\" data-index-in-node=\"0\"\u003eIntegrated Fluid Bleed Port:\u003c\/b\u003e\u003cspan\u003e Engineered for simplified bleeding and flushing without trapping air micro-bubbles in internal galleys.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,5,0\"\u003e\u003cb data-path-to-node=\"6,5,0\" data-index-in-node=\"0\"\u003eFully Rebuildable Design:\u003c\/b\u003e\u003cspan\u003e Designed for long-term serviceability using available Rekluse factory piston and seal rebuild kits.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,6,0\"\u003e\u003cb data-path-to-node=\"6,6,0\" data-index-in-node=\"0\"\u003eMade in the USA:\u003c\/b\u003e\u003cspan\u003e Engineered,\u003c\/span\u003e\u003cspan\u003e machined,\u003c\/span\u003e\u003cspan\u003e and assembled at Rekluse headquarters in Boise,\u003c\/span\u003e\u003cspan\u003e Idaho.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-path-to-node=\"7\"\u003eWhat's in the Box:\u003c\/h4\u003e\n\u003cul data-path-to-node=\"8\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,0,0\"\u003e\u003cspan\u003e1x Rekluse Billet Foot Master Cylinder Assembly (Hard-Anodized)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,1,0\"\u003e\u003cspan\u003e1x Master Cylinder Pushrod \u0026amp; Clevis Assembly\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,2,0\"\u003e\u003cspan\u003e1x High-Pressure Hydraulic Banjo Bolt \u0026amp; Copper Crush Washer Pack\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,3,0\"\u003e\u003cspan\u003e1x Frame Mounting Hardware Kit\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,4,0\"\u003e\u003cspan\u003e1x Installation Guide \u0026amp; Setup Schematic\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\n\u003cspan\u003eF\u003c\/span\u003e\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003eitment:\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ch4\u003e\u003cspan\u003e2014–2027 – KTM Enduro, Dualsport \u0026amp; Motocross Models\u003c\/span\u003e\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch4\u003e\u003cspan\u003e2014–2027 – Husqvarna \u003cmeta charset=\"utf-8\"\u003eEnduro, Dualsport \u0026amp; Motocross Models\u003c\/span\u003e\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch4\u003e\u003cspan\u003e2021–2027 – GasGas \u003cmeta charset=\"utf-8\"\u003eEnduro, Dualsport \u0026amp; Motocross Models\u003c\/span\u003e\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch4\u003e\u003cspan\u003e2026–2027 – Ducati Desmo \u003cmeta charset=\"utf-8\"\u003eEnduro, Dualsport \u0026amp; Motocross Models\u003c\/span\u003e\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch4\u003e\u003cspan\u003e2024–2027 – Stark Varg models equipped with rear foot brake pedal\u003c\/span\u003e\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-path-to-node=\"9\"\u003eFitment Notes:\u003cb data-path-to-node=\"10,0,0\" data-index-in-node=\"0\"\u003e\u003c\/b\u003e\n\u003c\/h4\u003e\n\u003cul data-path-to-node=\"10\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,2,0\"\u003e\u003cb data-path-to-node=\"10,2,0\" data-index-in-node=\"0\"\u003eBrake Fluid Type:\u003c\/b\u003e\u003cspan\u003e Fully compatible with standard glycol-based fluids:\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cb data-path-to-node=\"10,2,0\" data-index-in-node=\"70\"\u003eDOT 3, DOT 4, and DOT 5.1\u003c\/b\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,3,0\"\u003e\u003cb data-path-to-node=\"10,3,0\" data-index-in-node=\"0\"\u003eCRITICAL FLUID RESTRICTION:\u003c\/b\u003e\u003cspan\u003e Do \u003c\/span\u003e\u003cb data-path-to-node=\"10,3,0\" data-index-in-node=\"31\"\u003eNOT\u003c\/b\u003e\u003cspan\u003e use silicone-based DOT 5 fluid or mineral oil.\u003c\/span\u003e\u003cspan\u003e Using improper fluids will swell and destroy the internal EPDM elastomer seals within minutes,\u003c\/span\u003e\u003cspan\u003e causing complete hydraulic failure.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14\"\u003e\u003cb data-path-to-node=\"14\" data-index-in-node=\"0\"\u003eMandatory Pushrod Free Play (Preventing Brake Lockup):\u003c\/b\u003e\u003cspan\u003e When mounting the master cylinder pushrod to the rear brake pedal clevis,\u003c\/span\u003e\u003cspan\u003e you must ensure 1.\u003c\/span\u003e\u003cspan\u003e0 mm to 2.\u003c\/span\u003e\u003cspan\u003e0 mm of free play between the pushrod tip and the internal master cylinder piston before resistance is felt.\u003c\/span\u003e\u003cspan\u003e If the pushrod is adjusted too tightly (zero free play),\u003c\/span\u003e\u003cspan\u003e the internal compensating\/return port remains blocked.\u003c\/span\u003e\u003cspan\u003e As brake fluid heats up from rotor friction during riding,\u003c\/span\u003e\u003cspan\u003e thermal expansion cannot bleed back into the reservoir,\u003c\/span\u003e\u003cspan\u003e causing the rear brake to self-pressurize and violently lock the rear wheel mid-ride.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"15\"\u003e\u003cb data-path-to-node=\"15\" data-index-in-node=\"0\"\u003eBack-Bleeding Procedure:\u003c\/b\u003e\u003cspan\u003e To achieve a rock-solid pedal without trapped micro-bubbles,\u003c\/span\u003e\u003cspan\u003e back-bleed the system from the rear caliper bleeder upward through the Rekluse master cylinder using a fluid-filled syringe and clear vinyl tubing.\u003c\/span\u003e\u003cspan\u003e Push fluid slowly into the caliper bleeder until clean,\u003c\/span\u003e\u003cspan\u003e bubble-free fluid fills the master cylinder bleed port and reservoir.\u003c\/span\u003e\u003cspan\u003e Once purged from below,\u003c\/span\u003e\u003cspan\u003e close the caliper bleeder,\u003c\/span\u003e\u003cspan\u003e top off the master cylinder port,\u003c\/span\u003e\u003cspan\u003e and reinstall the bleed screw.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16\"\u003e\u003cb data-path-to-node=\"16\" data-index-in-node=\"0\"\u003ePlastic Frame Guard Clearance:\u003c\/b\u003e\u003cspan\u003e Depending on the year and brand of your motorcycle's aftermarket or OEM plastic frame guards (particularly on newer KTM\/Husqvarna SX-F and XC-F generation frames),\u003c\/span\u003e\u003cspan\u003e verify clearance around the upper body of the billet master cylinder.\u003c\/span\u003e\u003cspan\u003e The precision CNC-machined body has marginally squarer shoulders than the tapered stock cast body; if the guard contacts the cylinder or banjo fitting,\u003c\/span\u003e\u003cspan\u003e notch the plastic guard slightly with a rotary tool or razor knife to ensure stress-free alignment.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.tmbrmoto.com\/collections\/rekluse\" title=\"Shop for USA made Rekluse motorcycle parts and accessories at TMBR MOTO. Auto clutches, manual clutches and brake parts for motorcycles.\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0622\/5720\/1317\/files\/REKLUSE_BANNERS.jpg?v=1779300483\" alt=\"\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0622\/5720\/1317\/files\/Made_In_The_USA_24865b83-5069-42c1-b4bc-9e28ee4fe2cb.jpg?v=1719961954\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003ePart Number: \u003cmeta charset=\"utf-8\"\u003eRMS-5310006\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Rekluse","offers":[{"title":"Default Title","offer_id":51077651497125,"sku":"REKL-BRK-MCYL-KTM-HUS-DUC-TRI-GAS","price":299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0622\/5720\/1317\/files\/Rekluse_Brake_MC_Kit_RMS-5310006.jpg?v=1793661790","url":"https:\/\/www.tmbrmoto.com\/products\/rekluse-foot-master-cylinder-brake-kit-ktm-husqvarna-gasgas-rms-5310006","provider":"TMBR MOTO","version":"1.0","type":"link"}