{"product_id":"sirris-f43-cmx-front-fork-for-surron-lbx-e-ride-pro-s-ss-2-0","title":"Sirris F43 CMX Front Fork for Surron LBX | E Ride Pro S \/ SS 2.0","description":"\u003cp\u003e\u003cstrong\u003eRIDE IT ONCE.\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eREGRET EVERYTHING ELSE.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2 class=\"majortitle in-content h1\"\u003eF43 CMX\u003c\/h2\u003e\n\u003cdiv class=\"rte lightly-spaced-row large-text\"\u003e\n\u003ch4\u003eTHE WORLD’S BEST COMPACT\u003cbr\u003eE-MOTO FORK. PERIOD.\u003c\/h4\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rte lightly-spaced-row large-text\"\u003e\n\u003cp\u003eAn oversized, race-built F43 chassis paired with our CMX-tuned closed cartridge damper — built for elite control, razor-sharp handling, and unreal front-end confidence. This is the strongest, most durable, highest performance fork available.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eYou need to ride it to believe it.\u003cbr\u003e\u003c\/strong\u003e\u003cem\u003e\u003cstrong\u003eIt’s that good.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cb\u003eBike Fitment:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cb\u003eSurron LBX\u003c\/b\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003eSurron LBS\u003c\/b\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003eE Ride Pro S\u003c\/b\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003eE Ride Pro SS 2.0\u003c\/b\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eSPRING RATE CHART:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSirris offers two weight ranges when selecting your CMX Tune F43 fork for Surron Light Bee X (LBX). (\u003ci\u003eListed weight ranges are rider weight without riding gear on. 15 pounds of riding gear is calculated into the weight ranges)\u003c\/i\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003c\/span\u003e140 lbs - 180 lbs  (Medium = 3.6\/3.2 springs)\u003cbr\u003e180 lbs - 220 lbs  (Heavy = 3.6\/3.6 springs)\u003cbr\u003e\u003cem\u003eFork spring rates listed above are left side\/right side.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cem\u003eInstallation Guide:\u003c\/em\u003e\u003c\/h2\u003e\n\u003cdiv class=\"video-wrapper\"\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/-u-9xzAYF7U?si=No-OXpvBlCNKso8i\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cb\u003eTOOL-FREE COMPRESSION ADJUSTERS\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eNEW FOR CMX — Allows for quick compression adjust without a screwdriver.\u003cbr\u003eEnjoy nearly 30 clicks of quick external adjustability.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0539\/3347\/3987\/files\/Screenshot_2025-08-01_at_9.32.43_AM.png?v=1754062510\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eDIRECT MOUNT STEM\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eDM READY — New CMX fork is designed with a Direct Mount (DM) setup, so the stem you’re already using will bolt right up—no hassle, no extra parts.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0539\/3347\/3987\/files\/Screenshot_2025-08-01_at_9.33.02_AM.png?v=1754062534\"\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eDROP CLAMP OPTION\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eBIG WHEEL OPTIONAL — Allows for fitment of 21” wheel by raising the front end an additional 25mm while retaining 220mm travel. (Raising the front end maintains balance of the bike if paired with a longer shock that raises the rear)\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0539\/3347\/3987\/files\/Screenshot_2025-08-01_at_9.33.16_AM.png?v=1754062549\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eNEW AXLE \u0026amp; BRAKE MOUNTS\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eULTRA STIFF AND CONFIGURABLE — Axle and drop out assembly promotes front end feel and steering precision. Replaceable caliper mount brackets allow for caliper upgrades.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0539\/3347\/3987\/files\/Screenshot_2025-08-01_at_9.33.30_AM.png?v=1754062566\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eFORK SPECS:\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eArchitecture\u003c\/strong\u003e\u003cbr\u003eUpside down fork\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTravel\u003c\/strong\u003e\u003cbr\u003e220 mm\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFree length\u003c\/strong\u003e\u003cbr\u003e775 mm\u003cbr\u003e(\u003cspan\u003edrop clamp option adds another 25mm of extended length)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFork Spacing\u003c\/strong\u003e\u003cbr\u003e178 mm - allows for unlimited tire choice (dirt or street)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFork weight\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003e4 kg per leg (driven by sturdy construction required for the forces and speeds encountered when pushing these bikes to their limits without compromising performance)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStanchions\u003c\/strong\u003e\u003cbr\u003eØ43, high tensile steel with hard chrome\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOuter tubes\u003c\/strong\u003e\u003cbr\u003eSeamless 7050 aluminum, type 3 hard anodized coating\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDrop outs\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003e6061 aluminum, type 2 anodized coating\u003cbr\u003eReplaceable caliper mount brackets allow for caliper and wheel upgrades\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eAxle\u003c\/strong\u003e\u003cbr\u003eUltra-high tensile hard chromed axle increases steering precision and confidence\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTriple clamps\u003c\/strong\u003e\u003cbr\u003eBillet 6061 aluminum, type 2 anodized coating, 2 color options (blue, black)\u003cbr\u003eOptional drop clamp allows for 21” front wheel conversion (black only)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSteer tube\u003c\/strong\u003e \u003cbr\u003eSeamless 7050 aluminum, type 2 anodized coating\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDamping\u003c\/strong\u003e\u003cbr\u003eSymmetrical, adjustable closed cartridge with spring backed modified IFP\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDamper bodies\u003c\/strong\u003e\u003cbr\u003eSeamless 7050 aluminum, type 3 hard anodized coating\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRebound\u003c\/strong\u003e\u003cbr\u003eDual side high tensile steel spring, adjustable\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAdjusters\u003c\/strong\u003e\u003cbr\u003eExternal tool-free compression, rebound adjustment\u003cbr\u003e(rebound adjusted using tool)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSeals\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eNOK MX seals\u003c\/span\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eBushings\u003c\/strong\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eDaido MX bushings\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGuards\u003c\/strong\u003e\u003cbr\u003eHigh impact PP, 210-degree wraparound\u003c\/p\u003e","brand":"Modded Moto Co","offers":[{"title":"Medium (140 - 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220 lb) \/ Drop Crown \/ Blue","offer_id":42363135066197,"sku":"sku-46181589942422","price":2250.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0636\/2051\/3877\/files\/IMG-0177.jpg?v=1775140648","url":"https:\/\/mxparts.org\/products\/sirris-f43-cmx-front-fork-for-surron-lbx-e-ride-pro-s-ss-2-0","provider":"MXPARTS","version":"1.0","type":"link"}