{"product_id":"radflo-2-5-drt-internal-bypass-coilover-shock-remote-reservoir-dual-adjusters","title":"Radflo 2.5 DRT Internal Bypass Coilover Shock – Remote Reservoir \u0026 Dual Adjusters","description":"\u003cp class=\"p1\"\u003eThe Radflo 2.5 DRT Internal Bypass Coilover with Remote Reservoir and Dual Compression \u0026amp; Rebound Adjusters represents the highest level of suspension tuning available in the DRT lineup. Combining Radflo's proprietary RST Dynamic Ride Technology, position-sensitive internal bypass damping, remote reservoir performance, and fully adjustable high-speed and low-speed compression and rebound controls, this shock is engineered for serious off-road enthusiasts, racers, and builders who demand maximum control.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eUnlike conventional coilovers that generate damping exclusively through the piston and shim stack, DRT Internal Bypass technology creates multiple damping zones throughout the suspension travel. This allows the shock to remain exceptionally compliant over chatter, washboards, roots, and rocks while progressively increasing damping force deeper in the stroke to control large impacts, whoops, jumps, and bottom-out events. The result is a suspension that feels plush during normal driving yet remains controlled and confidence-inspiring when pushed hard through aggressive terrain.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eEach shock is custom built and tuned to your specific application, with independent tuning available for:\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003eMain Piston Compression Valving\u003c\/li\u003e\n\u003cli class=\"li1\"\u003eMain Piston Rebound Valving\u003c\/li\u003e\n\u003cli class=\"li1\"\u003eInternal Bypass Compression Zones\u003c\/li\u003e\n\u003cli class=\"li1\"\u003eInternal Bypass Rebound Zones\u003c\/li\u003e\n\u003cli class=\"li1\"\u003eHigh-Speed Compression Adjustment\u003c\/li\u003e\n\u003cli class=\"li1\"\u003eLow-Speed Compression Adjustment\u003c\/li\u003e\n\u003cli class=\"li1\"\u003eHigh-Speed Rebound Adjustment\u003c\/li\u003e\n\u003cli class=\"li1\"\u003eLow-Speed Rebound Adjustment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003eThis advanced tuning capability allows builders and racers to fine-tune suspension performance for rock crawling, Ultra4 competition, desert racing, prerunning, overlanding, trail riding, and custom off-road applications.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eIncludes:\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e(1) Radflo 2.5 DRT Internal Bypass Coilover Shock\u003c\/li\u003e\n\u003cli class=\"li1\"\u003eRemote Reservoir\u003c\/li\u003e\n\u003cli class=\"li1\"\u003eCompression Adjusters (HSC \u0026amp; LSC)\u003c\/li\u003e\n\u003cli class=\"li1\"\u003eRebound Adjusters (HSR \u0026amp; LSR)\u003cmeta charset=\"utf-8\"\u003e\n\u003c\/li\u003e\n\u003cli class=\"li1\"\u003eUniversal Spherical Bearings \u0026amp; Mounting Hardware\u003c\/li\u003e\n\u003cli class=\"li1\"\u003eJIC\/ORB Reusable Hose Fittings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eSprings Sold Separately\u003cbr\u003e\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003cb\u003eSold Individually\u003c\/b\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cdetails class=\"details\"\u003e\n\u003csummary\u003e\u003cstrong\u003eSpecifications \u003c\/strong\u003e\u003cspan class=\"svg-wrapper icon-plus\"\u003e\u003csvg width=\"14\" height=\"14\" viewbox=\"0 0 14 14\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\n          \u003cpath class=\"vertical\" d=\"M2.75 7H11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\n          \u003cpath class=\"horizontal\" d=\"M7 2.75L7 11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\n        \u003c\/svg\u003e\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"details-content rte\"\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003eBrand:\u003c\/b\u003e Radflo Suspension Technology\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003eSeries:\u003c\/b\u003e DRT Internal Bypass\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003eShock Type:\u003c\/b\u003e Internal Bypass Coilover\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003eReservoir Type:\u003c\/b\u003e Remote Reservoir\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003eBody Diameter:\u003c\/b\u003e 2.5\"\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003eTravel Lengths:\u003c\/b\u003e 8\", 10\", 12\", 14\", 16\", 18\"\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003eShaft Diameter:\u003c\/b\u003e 7\/8\"\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003eShaft Material:\u003c\/b\u003e 17-4PH Stainless Steel\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003eAdjustability:\u003c\/b\u003e High-Speed Compression, Low-Speed Compression, High-Speed Rebound, Low-Speed Rebound\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003eInternal Bypass:\u003c\/b\u003e Proprietary RST Dynamic Ride Technology\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003eMain Piston:\u003c\/b\u003e Custom Compression \u0026amp; Rebound Valving\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003eInternal Bypass Tuning:\u003c\/b\u003e Custom Compression \u0026amp; Rebound Zones\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003ePiston:\u003c\/b\u003e 2.0\" 6061-T6 Billet Aluminum RST HiFlo Race Piston\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003ePiston Finish:\u003c\/b\u003e Type II Hard Anodized\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003eBody Material:\u003c\/b\u003e SSID Alloy Steel\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003eBody Finish:\u003c\/b\u003e Zinc Plated with Clear Coat\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003eRod Guide:\u003c\/b\u003e Machined Bronze with PTFE Coating\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003eBearings:\u003c\/b\u003e FK Heat-Treated Steel Spherical Bearings, PTFE Lined\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003eBody Caps:\u003c\/b\u003e CNC Machined 6061 Aluminum\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003eBody Cap Finish:\u003c\/b\u003e Black Anodized\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003eOil:\u003c\/b\u003e Radflo High-Temp Foam Resistant Suspension Fluid\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003ePressurization:\u003c\/b\u003e Nitrogen Gas\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003eServiceability:\u003c\/b\u003e Consumer or Factory Serviceable\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003eTuning:\u003c\/b\u003e Consumer or Factory Tunable\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cb\u003eCountry of Origin:\u003c\/b\u003e USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e\n\u003cdetails class=\"details\"\u003e\n\u003csummary\u003e\u003cstrong\u003eFitment \u003c\/strong\u003e\u003cspan class=\"svg-wrapper icon-plus\"\u003e\u003csvg width=\"14\" height=\"14\" viewbox=\"0 0 14 14\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\n          \u003cpath class=\"vertical\" d=\"M2.75 7H11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\n          \u003cpath class=\"horizontal\" d=\"M7 2.75L7 11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\n        \u003c\/svg\u003e\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"details-content rte\"\u003e\n\u003cp class=\"p1\"\u003eUniversal fitment for custom suspension systems including:\u003c\/p\u003e\n\u003ctable cellspacing=\"0\" cellpadding=\"0\" class=\"t1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p2\"\u003e\u003cb\u003eVehicle Type\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p2\"\u003e\u003cb\u003eCommon Applications\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003eJeep\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003eLJ, TJ, JK, JKU, JL, JT\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003eTruck\/SUV\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003eLong Travel, Overland, Prerunner\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003eOff-Road Vehicles\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003eTrail Buggy, Ultra4, Rock Bounce, Rock Crawler\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003eUTV\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003eCustom Long Travel Builds\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003eRace Vehicles\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003eDesert Racing, Endurance Racing\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003eTube Chassis\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003eCustom Fabricated Vehicles\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp class=\"p1\"\u003eVerify mounting dimensions, spring requirements, travel length, and suspension geometry prior to ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e\n\u003cdetails class=\"details\"\u003e\n\u003csummary\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cb id=\"docs-internal-guid-785e0e5c-7fff-2ba3-1543-a8eda468b24e\"\u003e\u003cspan\u003eTech Insight\u003c\/span\u003e\u003c\/b\u003e \u003cspan class=\"svg-wrapper icon-plus\"\u003e\u003csvg width=\"14\" height=\"14\" viewbox=\"0 0 14 14\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\n          \u003cpath class=\"vertical\" d=\"M2.75 7H11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\n          \u003cpath class=\"horizontal\" d=\"M7 2.75L7 11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\n        \u003c\/svg\u003e\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"details-content rte\"\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eWhat is the difference between internal bypass and external bypass shocks?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eExternal bypass shocks use visible bypass tubes mounted outside the shock body.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eInternal bypass shocks create the same damping zones inside the shock body.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cb\u003eInternal Bypass Advantages:\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li2\"\u003eEasier packaging\u003c\/li\u003e\n\u003cli class=\"li2\"\u003eCleaner installation\u003c\/li\u003e\n\u003cli class=\"li2\"\u003eLess maintenance\u003c\/li\u003e\n\u003cli class=\"li2\"\u003eBetter fitment in tight chassis\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p2\"\u003e\u003cb\u003eExternal Bypass Advantages:\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li2\"\u003eMaximum external tuning\u003c\/li\u003e\n\u003cli class=\"li2\"\u003eGreater adjustability for race teams\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p2\"\u003eFor most enthusiasts and racers, DRT Internal Bypass delivers exceptional performance without the packaging challenges of external bypass shocks.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eWhat do High-Speed Compression (HSC) adjusters do?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eHigh-Speed Compression affects how the shock responds to:\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li2\"\u003eRocks\u003c\/li\u003e\n\u003cli class=\"li2\"\u003eWhoops\u003c\/li\u003e\n\u003cli class=\"li2\"\u003eG-outs\u003c\/li\u003e\n\u003cli class=\"li2\"\u003eJump landings\u003c\/li\u003e\n\u003cli class=\"li2\"\u003eSquare-edge impacts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p2\"\u003eIncreasing HSC creates more impact resistance and bottom-out control.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eWhat do Low-Speed Compression (LSC) adjusters do?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eLow-Speed Compression affects:\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li2\"\u003eBody roll\u003c\/li\u003e\n\u003cli class=\"li2\"\u003eBrake dive\u003c\/li\u003e\n\u003cli class=\"li2\"\u003eAcceleration squat\u003c\/li\u003e\n\u003cli class=\"li2\"\u003eSteering response\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p2\"\u003eIncreasing LSC creates a more controlled and stable chassis feel.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eWhat do High-Speed Rebound (HSR) adjusters do?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eHigh-Speed Rebound controls how quickly the suspension extends after larger impacts.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eAdjusting HSR helps:\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li2\"\u003eControl bucking\u003c\/li\u003e\n\u003cli class=\"li2\"\u003eImprove stability\u003c\/li\u003e\n\u003cli class=\"li2\"\u003eManage suspension recovery after hard hits\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eWhat do Low-Speed Rebound (LSR) adjusters do?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eLow-Speed Rebound affects:\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li2\"\u003eVehicle balance\u003c\/li\u003e\n\u003cli class=\"li2\"\u003eWeight transfer\u003c\/li\u003e\n\u003cli class=\"li2\"\u003eChassis stability\u003c\/li\u003e\n\u003cli class=\"li2\"\u003eCornering behavior\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p2\"\u003eFine-tuning LSR allows drivers to dial in handling characteristics for specific terrain.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eHow does the DRT Ride Zone work?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eThe Ride Zone is located near normal ride height.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eIn this area, proprietary bypass circuits allow oil to flow around the piston, significantly reducing harshness and improving traction over rough terrain.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eWhat is the DRT Build Zone?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eAs the shock moves deeper into travel, internal bypass channels progressively close.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eThis increases damping force to:\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li2\"\u003ePrevent bottoming\u003c\/li\u003e\n\u003cli class=\"li2\"\u003eImprove body control\u003c\/li\u003e\n\u003cli class=\"li2\"\u003eIncrease suspension support\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eIs this shock good for rock crawling?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eYes. DRT technology dramatically improves traction and ride comfort over rocks while maintaining control during large compression events.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eIs this shock good for desert racing?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eAbsolutely. DRT shocks excel in high-speed terrain by reducing chatter and increasing stability through whoops, washboards, and rough desert conditions.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eCan I revalve and tune these shocks later?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eYes. The DRT Series is fully rebuildable, serviceable, and tunable. Compression, rebound, and internal bypass characteristics can all be modified for changing vehicle setups and driving styles.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e","brand":"Radflo Suspension","offers":[{"title":"8\"","offer_id":56677386059942,"sku":"6CV-001-9Z","price":1495.0,"currency_code":"USD","in_stock":true},{"title":"10\"","offer_id":56677386092710,"sku":"6CV-002-9Z","price":1495.0,"currency_code":"USD","in_stock":true},{"title":"12\"","offer_id":56677386125478,"sku":"6CV-003-9Z","price":1495.0,"currency_code":"USD","in_stock":true},{"title":"14\"","offer_id":56677386158246,"sku":"6CV-004-9Z","price":1495.0,"currency_code":"USD","in_stock":true},{"title":"16\"","offer_id":56677386191014,"sku":"6CV-005-9Z","price":1495.0,"currency_code":"USD","in_stock":true},{"title":"18\"","offer_id":56677386223782,"sku":"6CV-006-9Z","price":1495.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/8394\/6406\/files\/6CV-001-9A-Radflo2.5-DRT-Internal-Bypass-Coilover-1_3117003c-6bc1-4a38-b8bf-7bacac819381.jpg?v=1781798282","url":"https:\/\/wideopendesign.com\/products\/radflo-2-5-drt-internal-bypass-coilover-shock-remote-reservoir-dual-adjusters","provider":"Wide Open Design","version":"1.0","type":"link"}