{"product_id":"wp35-air-to-spring-kit-oem-cap-version","title":"WP35 Air to Spring Kit  — OEM Cap Version","description":"\u003cp class=\"MsoNormal\" style=\"text-align: left;\"\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eConsistent feel. Predictable performance. Original fork cap retained.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eKrooztune WP35 ATS (Air to Spring) OEM Cap Kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e replaces the OEM air cartridge with our coil spring system while retaining the original air fork cartridge cap.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDeveloped for USA racers who need to retain the OEM fork cap under their race rules, this version delivers the same spring performance and hydraulic bottoming control as our externally preload-adjustable ATS kit, with \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003espring preload set internally during assembly\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eFits: 2026-on KTM, Husqvarna and GASGAS 50cc and 65cc models equipped with WP35 air forks.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eOEM cap. Krooztune spring performance.\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eOur purpose-made adaptor allows the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eoriginal air cartridge cap to fit directly to the Krooztune ATS assembly\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. The cap is easily transferred using a 27 mm clamp set.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSpring preload is set internally during the build, just as it is in a conventional full-size fork setup. This version has \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eno external preload adjuster\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e; changes to preload are made internally.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt is also an option for riders outside the USA who prefer to retain the original fork cap and $100 AUD cheaper!\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eSpring selection — 50cc\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe WP35 ATS 50cc Kit is supplied with one replacement spring, selected to suit the rider’s weight.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis spring is installed in the air cartridge leg and works in conjunction with the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eOEM spring retained in the damping leg\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, creating the correct combined spring rate for the rider.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThree spring options are available, with the appropriate spring selected at the time of purchase.\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eRider weight \/ level\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eATS spring option\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eUnder 22 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e.18\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eUnder 25 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e.20\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOver 25 kg \/ Pro riders\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e.24\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/h2\u003e\n\u003ch2\u003e\u003cspan\u003eSpring selection — 65cc\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe WP35 ATS 65cc Kit is supplied with a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ematched pair of fork springs\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, selected to suit the rider’s weight and ability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOne spring is fitted to the ATS cartridge, while the second replaces the OEM spring in the damping leg. Exchanging the damping-leg spring requires removal of the fork cap.\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eRider weight \/ level\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eSpring pair option\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e25–30 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e.26 pair\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e30–35 kg, or expert riders over 25 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e.28 pair\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e35–40 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e.30 pair\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHeavier riders, or expert riders over 35 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e.32 pair\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/h2\u003e\n\u003ch2\u003e\u003cspan\u003eStraightforward installation\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eDesigned as a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ebolt-in replacement\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, the WP35 ATS Kit installs with no machining or permanent modifications required.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRemove the original air cartridge, transfer the OEM cap onto the Krooztune assembly using our adaptor, set the internal spring preload and install the completed assembly.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor 65cc models, fit the supplied matching spring into the damping leg to complete the conversion.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eConsistent feel from the first lap to the last\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eAir fork feel can change with temperature and pressure. The WP35 ATS coil spring system delivers predictable spring performance without the need to monitor air pressure.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRiders benefit from smoother initial movement, improved front-end feel and increased confidence through braking bumps, ruts and rough circuits.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eRace-developed hydraulic bottoming control\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eAt the heart of the system is our \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003erace-developed hydraulic bottoming control\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, engineered to progressively increase damping during the final portion of the fork stroke.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSimilar in concept to systems used in modern full-size race forks, it provides increased bottoming resistance during heavy landings and large impacts while maintaining plushness throughout the majority of the travel.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis allows the fork to remain compliant over small bumps while delivering the support needed when riders push harder or encounter the oversized obstacles that 50cc and 65cc bikes regularly face.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eInternally set spring preload\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eSpring preload is set during assembly to establish the required setup for the rider and selected spring rate.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCombined with our range of spring options, this provides the foundation for a balanced front end while retaining the OEM cap.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePreload adjustment requires access to the internal assembly; there is no external preload adjustment on this version.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCoil spring conversion retaining the OEM air fork cartridge cap\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePurpose-made Krooztune cap adaptor\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eOEM cap transferred using a 27 mm clamp set\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSpring preload set internally during assembly\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRace-developed \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ehydraulic bottoming control\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for increased end-stroke support\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePlush small-bump compliance with progressive bottoming resistance\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eConsistent spring performance with no air pressure to monitor\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eImproved front-end traction, balance and rider confidence\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBolt-in installation with no machining or permanent modifications\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e50cc kit supplied with one ATS spring, retaining the OEM damping-leg spring\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e65cc kit supplied with a matched pair of springs\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSprings selected to suit rider weight and ability at the time of purchase\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAlso available as a cartridge-only kit for customers sourcing their own springs\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003ePart of the Krooztune Flow Range\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eDesigned to work alongside the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eKrooztune Flow Kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eShock Flow Kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, the WP35 ATS OEM Cap Kit forms part of the complete \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eKrooztune Flow Range\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e—a suspension system developed specifically for the latest generation of WP35-equipped KTM, Husqvarna and GASGAS mini bikes.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eFrom a first race bike to national-level competition, enjoy Krooztune coil spring performance and hydraulic bottoming control while retaining your original fork cap.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Krooztune","offers":[{"title":"50 \/ .18n","offer_id":67971315531975,"sku":"KT-ATSWP35-50","price":495.0,"currency_code":"AUD","in_stock":true},{"title":"50 \/ .20n","offer_id":67971315564743,"sku":"KT-ATSWP35-51","price":495.0,"currency_code":"AUD","in_stock":true},{"title":"50 \/ .24n","offer_id":67971315597511,"sku":"KT-ATSWP35-52","price":495.0,"currency_code":"AUD","in_stock":true},{"title":"50 \/ Ats Kit Only","offer_id":67971315630279,"sku":"KT-ATSWP35-57","price":395.0,"currency_code":"AUD","in_stock":true},{"title":"65 \/ .26n Pair","offer_id":67971315663047,"sku":"KT-ATSWP35-61","price":595.0,"currency_code":"AUD","in_stock":true},{"title":"65 \/ .28n Pair","offer_id":67971315695815,"sku":"KT-ATSWP35-62","price":595.0,"currency_code":"AUD","in_stock":true},{"title":"65 \/ .30n Pair","offer_id":67971315728583,"sku":"KT-ATSWP35-63","price":595.0,"currency_code":"AUD","in_stock":true},{"title":"65 \/ .32n Pair","offer_id":67971315761351,"sku":"KT-ATSWP35-64","price":595.0,"currency_code":"AUD","in_stock":true},{"title":"65 \/ Ats Kit Only","offer_id":67971315794119,"sku":"KT-ATSWP35-65","price":395.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0036\/1092\/files\/IMG_8607.jpg?v=1792555916","url":"https:\/\/krooztune.com\/products\/wp35-air-to-spring-kit-oem-cap-version","provider":"Krooztune","version":"1.0","type":"link"}