{"product_id":"sirris-f43-fork-for-surron-ultra-bee-trail-tune-v1-2","title":"Sirris F43 Fork for Surron Ultra Bee - Trail Tune (V1.2) | Tool Free | 260 mm Travel","description":"\u003cp\u003e\u003cspan\u003eFor those \u003c\/span\u003e\u003ca href=\"https:\/\/parts.electriccyclerider.com\/collections\/bikes\"\u003e\u003cspan\u003eelectric dirt bike\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e riders looking to upgrade their Surron Ultra Bee with a direct bolt-on, no-fuss fork, Sirris offers the solution with its F43 fork.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis is the new updated version of the Sirris F43 fork, with 260mm of travel and tool free adjustment!\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Sirris F43 fork is purpose-tuned, pressure-balanced, and offers 10.24 inches of ultra-plush travel. This is the absolute best suspension for your Surron Ultra Bee and will completely transform your bike into a true proper dirt bike that can perform in any terrain.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe F43 is designed with aggressive riding in mind and tuned to your exact riding style and weight!\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eNote: \u003c\/strong\u003eThis listing is for the Trail Tune. If you are a Motocross Rider, please see the \u003ca href=\"https:\/\/parts.electriccyclerider.com\/products\/sirris-f43-fork-for-surron-ultra-bee-trail-tune-v1-2\"\u003eSirris F43 Motocross Tune\u003c\/a\u003e here.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNow with 260mm of travel, updated Trail Tune refinements, tool-free low-speed compression adjustment, Torx fasteners, and new graphics. Trail Tune is a versatile and aggressive tune that is sporty and supportive, designed to go fast over a wide variety of terrain.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003eWant to see all of the Sirris Fork \u0026amp; Shock Options? Click \u003ca href=\"https:\/\/parts.electriccyclerider.com\/collections\/sirris-suspension\"\u003ehere\u003c\/a\u003e every \u003ca href=\"https:\/\/parts.electriccyclerider.com\/collections\/sirris-suspension\"\u003eSirris Suspension\u003c\/a\u003e tune we sell.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHere are some highlights:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePlug \u0026amp; Play Installation: The F43 fork seamlessly integrates with the Surron Ultra Bee’s OEM front-end setup, with factory compatibility with the OEM display, fender, and \u003c\/span\u003e\u003ca href=\"https:\/\/parts.electriccyclerider.com\/collections\/surron-ultra-bee-brakes\"\u003e\u003cspan\u003ebrake caliper\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e. This is a direct swap for the stock Ultra Bee, with a pre-installed dust seal and headset bearing. Designed to fit directly with the Ultra Bee fairing and cable routing. No additional modifications are required.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eEnhanced Front End: 43mm stanchions and robust upper fork tubes provide significant improvement in stability and strength while maintaining the bike’s turning radius.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIncreased Travel: 10.24 inches (260mm) of travel, offering extra cushioning, which is particularly beneficial for aggressive riding.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHydraulic Bump Stop: Smoothly handles even the most forceful impacts at maximum stroke, providing progressive bottom-out control and softer landings.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eTrue Symmetrical Closed Cartridge: Ensures balanced load distribution and consistent performance, resistant to fade for predictable handling after extensive use. No matter how hard you ride or how many laps you take, Sirris closed-cartridge forks deliver consistent, fade-resistant performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDual Oil Circuits: Separate lubrication and damping oils optimize damping performance without compromise.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHigh-Quality Materials: Made from 7000 series aluminum with Type 3 hard anodizing for strength and scratch resistance. Hard chrome stanchions, NOK Heavy Duty seals, custom Daido bushings, and wrap-around guards extend performance lifespan.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eUltimate Suspension Tuning: Fully tunable valving for compression and rebound, with spring rates matched to your weight and riding style for a tailored suspension setup.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eUpdated Adjusters: Tool-free low-speed compression adjustment makes trailside changes simple, while rebound uses a tool-operated adjuster for durability in harsh environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eLightweight: Each leg weighs only 8.8 lbs (4 kg), offering a powerful yet lightweight upgrade.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.youtube.com\/embed\/V4UPM4uB9ZY?si=Czv3DPfwgtYGxv3v\"\u003e\u003cspan\u003eYouTube video player\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRider Weight Specs\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSirris offers six weight ranges to choose from when selecting your Trail Tune F43 fork. Listed weight ranges are rider weight without riding gear. An additional 15 pounds of riding gear is already calculated into the weight ranges.\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eRider Weight Without Gear\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eSpring Option\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eSprings — Left \/ Right\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eUnder 160 lbs\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4.0 \/ 4.0\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e160–200 lbs\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMedium\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4.8 \/ 4.4\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e200–230 lbs\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHeavy\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4.8 \/ 4.4\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e230–260 lbs\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eX Heavy\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4.8 \/ 4.8\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e260–290 lbs\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eXX Heavy\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5.0 \/ 5.0\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOver 290 lbs\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eXXX Heavy\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5.4 \/ 5.0\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePair It with the Sirris R46 2SC Shock\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eComplete your Ultra Bee suspension setup with the \u003ca href=\"https:\/\/parts.electriccyclerider.com\/products\/sirris-r46-2sc-shock-for-surron-ultra-bee-trail-tune\" rel=\"noopener\" target=\"_blank\"\u003eSirris R46 2SC Trail Tune shock\u003c\/a\u003e. Designed to work alongside the F43, it adds independent high-speed and low-speed compression adjustment with complementary Trail Tune damping for balanced handling, traction, and control.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/V4UPM4uB9ZY?si=GKoXUeXa2CEtFM7v\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/XzrJONVbRgE?si=IXQADgMjIcDcyZFV\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eSpecs\u003c\/span\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eArchitecture\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUpside-down fork with symmetrical and adjustable pressurized closed-cartridge dampers\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTravel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e260mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eFree Length\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e856mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eFork Weight, Including Clamps and Steerer\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e22 lbs \/ 10 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eStanchions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eØ43mm, high-tensile steel with hard chrome\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOuter Tubes\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSeamless 7050 aluminum, Type 3 hard anodized coating\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eDropouts\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eForged 6061 aluminum, Type 3 hard anodized coating\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrake Mounting\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSized for stock Ultra Bee calipers and 240mm rotors\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTriple Clamps\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eForged 6061 aluminum, Type 3 hard anodized coating\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSteer Tube\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSeamless 7050 aluminum, Type 2 anodized coating\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eDamping\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTrail Tune; symmetrical, adjustable closed cartridges with spring-backed IFP, high-flow pistons, fully tunable compression and rebound valving, and separate damping and lubrication oil circuits\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBottom-Out Control\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eProgressive hydraulic bump stop\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eDamper Bodies\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSeamless 7050 aluminum, Type 3 hard anodized coating\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSprings\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDual-side high-tensile steel springs with adjustable preload\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eAdjusters\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eExternal tool-free low-speed compression adjustment and tool-operated rebound adjustment\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSeals\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNOK Heavy Duty seals\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBushings\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePremium Daido bushings with custom Sirris proprietary design\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eGuards\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHigh-impact PP, 210-degree wraparound\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eFasteners\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTorx\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eFitment\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eSurron Ultra Bee\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e(Direct replacement for the stock fork)\u003c\/span\u003e\u003c\/p\u003e","brand":"Sirris Suspension","offers":[{"title":"Light ( \u003c 160 lb) \/ Trail \/ Tool Free LSC","offer_id":67896931287321,"sku":"430-99-040-LIGHT-F43-856X260-SURRON-ULTRABEE1.2-TRAIL","price":2250.0,"currency_code":"USD","in_stock":true},{"title":"Medium (160-200 lb) \/ Trail \/ Tool Free LSC","offer_id":67896931320089,"sku":"430-99-040-MED-F43-856X260-SURRON-ULTRABEE1.2-TRAIL","price":2250.0,"currency_code":"USD","in_stock":true},{"title":"Heavy (200-230 lb) \/ Trail \/ Tool Free LSC","offer_id":67896931352857,"sku":"430-99-040-HEAVY-F43-856X260-SURRON-ULTRABEE1.2-TRAIL","price":2250.0,"currency_code":"USD","in_stock":true},{"title":"X Heavy (230-260 lb) \/ Trail \/ Tool Free LSC","offer_id":67896931385625,"sku":"430-99-040-XHEAVY-F43-856X260-SURRON-ULTRABEE1.2-TRAIL","price":2250.0,"currency_code":"USD","in_stock":true},{"title":"XX Heavy (260-290 lb) \/ Trail \/ Tool Free LSC","offer_id":67896931418393,"sku":"430-99-040-2XHEAVY-F43-856X260-SURRON-ULTRABEE1.2-TRAIL","price":2250.0,"currency_code":"USD","in_stock":true},{"title":"XXX Heavy ( \u003e 290 lb) \/ Trail \/ Tool Free LSC","offer_id":67896931451161,"sku":"430-99-040-3XHEAVY-F43-856X260-SURRON-ULTRABEE1.2-TRAIL","price":2250.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/9441\/0265\/files\/sirris-F43-260-ultrabee-fork-front-trailtune_587fb31c-8bb6-425d-b990-b2dc6b71a47c.jpg?v=1792704854","url":"https:\/\/parts.electriccyclerider.com\/products\/sirris-f43-fork-for-surron-ultra-bee-trail-tune-v1-2","provider":"ECR Parts","version":"1.0","type":"link"}