{"product_id":"sirris-f43-c","title":"Sirris F43 CMX Front Fork | Surron LBX \u0026 E Ride Pro","description":"\u003cp\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eRIDE IT ONCE. REGRET EVERYTHING ELSE.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Sirris F43 CMX is built for riders pushing their bikes beyond stock limitations. Combining an oversized race-spec 43mm chassis with a CMX-tuned closed cartridge damper, this fork delivers unmatched front-end precision, control, and durability for serious e-moto riders.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned specifically for lightweight high-power platforms like the Sur-Ron Light Bee X and E Ride Pro SS 2.0, the F43 CMX offers elite suspension performance with exceptional steering precision, improved stability, and confidence at speed.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCMX Closed Cartridge System\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRace-developed closed cartridge damping system with exceptional front-end control, improved consistency, and precise tuning response.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTool-Free Compression Adjusters\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNearly 30 clicks of external compression adjustment without needing tools, allowing fast tuning on the fly.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDirect Mount Stem Compatible\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDM-ready upper clamp design allows direct compatibility with most existing direct mount stem setups.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOversized 43mm Chassis\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBuilt with high-tensile steel stanchions and oversized architecture for superior stiffness and front-end feedback.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOptional Drop Clamp Configuration\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOptional drop clamp setup raises front-end height by 25mm to properly balance 21” wheel conversions while retaining full 220mm travel.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUltra-Stiff Axle \u0026amp; Brake Mount System\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRedesigned axle and dropout assembly improves steering precision and braking stability while supporting caliper upgrades.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFitment\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCompatible with:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eSur-Ron Light Bee X\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSur-Ron Light Bee S\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eE Ride Pro S\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eE Ride Pro SS 2.0\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSpring Rate Options\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMedium Spring Setup\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eRider Weight: 140–180 lbs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSpring Rates: 3.6 \/ 3.2\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eHeavy Spring Setup\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eRider Weight: 180–220 lbs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSpring Rates: 3.6 \/ 3.6\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eWeight ranges are based on rider weight without gear. Approximately 15 lbs of riding gear is factored into setup recommendations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFork Specifications\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable width=\"964.0\" cellspacing=\"0\" cellpadding=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003eTravel\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003e220mm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003eFree Length\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003e775mm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003eDrop Clamp Length Increase\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003e+25mm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003eFork Spacing\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003e178mm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003e4kg per leg\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003eStanchions\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003eØ43 High-Tensile Steel, Hard Chrome\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003eOuter Tubes\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003e7050 Aluminum, Type 3 Hard Anodized\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003eDrop Outs\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003e6061 Aluminum\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003eTriple Clamps\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003eBillet 6061 Aluminum\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003eAxle\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003eUltra-High Tensile Hard Chromed\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003eDamping\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003eAdjustable Closed Cartridge\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003eSeals\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003eNOK MX Seals\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003eBushings\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003eDaido MX Bushings\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003eGuards\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"middle\"\u003e\n\u003cp\u003e\u003cspan\u003eHigh Impact 210° Wraparound Guards\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan\u003ePerformance Benefits\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe F43 CMX delivers exceptional front-end confidence under aggressive riding conditions. Riders can expect:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eIncreased steering precision\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eImproved high-speed stability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBetter bottom-out resistance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMore predictable damping response\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEnhanced front tire feedback\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSuperior durability under heavy riding loads\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eWhether riding motocross tracks, technical terrain, or urban setups, the F43 CMX is engineered to outperform traditional e-moto suspension systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eImportant Notes\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eSome fork options may require additional lead time or pre-order fulfillment\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOptional drop clamp is recommended for 21” wheel setups\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTriple clamp colors available in Black or Blue\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDrop clamp option available in Black only\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProfessional suspension installation recommended\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInstallation Guide:\u003cspan class=\"Apple-converted-space\"\u003e  \u003c\/span\u003eSirris F43 CMX Installation Guide\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"torvexlab","offers":[{"title":"Medium (140–180 lbs) \/ Standard Crown \/ Black","offer_id":45236375879789,"sku":null,"price":2250.0,"currency_code":"USD","in_stock":true},{"title":"Heavy (180–220 lbs) \/ Standard Crown \/ Black","offer_id":45236375912557,"sku":null,"price":2250.0,"currency_code":"USD","in_stock":true},{"title":"Medium (140–180 lbs) \/ Drop Crown (+21” Wheel Fitment) \/ Black","offer_id":45236376305773,"sku":null,"price":2250.0,"currency_code":"USD","in_stock":true},{"title":"Heavy (180–220 lbs) \/ Drop Crown (+21” Wheel Fitment) \/ Black","offer_id":45236376338541,"sku":null,"price":2250.0,"currency_code":"USD","in_stock":true},{"title":"Medium (140–180 lbs) \/ Standard Crown \/ Blue","offer_id":45236376502381,"sku":null,"price":2250.0,"currency_code":"USD","in_stock":true},{"title":"Medium (140–180 lbs) \/ Drop Crown (+21” Wheel Fitment) \/ Blue","offer_id":45236376535149,"sku":null,"price":2250.0,"currency_code":"USD","in_stock":true},{"title":"Heavy (180–220 lbs) \/ Standard Crown \/ Blue","offer_id":45236376567917,"sku":null,"price":2250.0,"currency_code":"USD","in_stock":true},{"title":"Heavy (180–220 lbs) \/ Drop Crown (+21” Wheel Fitment) \/ Blue","offer_id":45236376600685,"sku":null,"price":2250.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/7949\/3997\/files\/05D00218-3563-4676-9894-A5FD781397F7.webp?v=1779462545","url":"https:\/\/torvexlab.com\/products\/sirris-f43-c","provider":"torvexlab","version":"1.0","type":"link"}