{"product_id":"ext-ferro-emx-fork","title":"EXT Ferro EMX Fork","description":"\u003cp\u003eThe EXT Ferro EMX fork (USD 36) — an inverted dual-crown MX-style fork purpose-built for light electric MX bikes, with the HS3 air system and a fully adjustable 3-way cartridge.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e36mm Ø hard-chromed steel stanchions (heat-treated 42CrMo4) with Superfinish surface treatment\u003c\/li\u003e\n\u003cli\u003eDedicated triple clamp uppers machined from 7000-series aluminum\u003c\/li\u003e\n\u003cli\u003eHS3 air spring system: twin positive air chambers + 1 large self-balancing negative chamber for consistent support through the full travel range\u003c\/li\u003e\n\u003cli\u003eChromed steel air spring shaft with Superfinish treatment\u003c\/li\u003e\n\u003cli\u003eHigh-flow 3-way adjustable cartridge with independent high\/low-speed compression and rebound\u003c\/li\u003e\n\u003cli\u003eExternal air pressure release valves on both legs to normalize pressure with ambient conditions\u003c\/li\u003e\n\u003cli\u003eTwin hexagonal floating axle, Boost compatible, Ø20mm, for maximum torsional rigidity\u003c\/li\u003e\n\u003cli\u003eRadial guide system with aeronautical seals to minimize dynamic friction under side loading\u003c\/li\u003e\n\u003cli\u003eLarge piston design with separate IFP\/coil-energized compression valve — no cavitation, low hysteresis\u003c\/li\u003e\n\u003cli\u003eSelf-hydraulic cartridge bleeding\u003c\/li\u003e\n\u003cli\u003eContinuously Guided Bushing (CGB) system with super-long static overlap for maximum stiffness\u003c\/li\u003e\n\u003cli\u003e205mm travel, 44mm offset for increased stability\u003c\/li\u003e\n\u003cli\u003eWeight: ~4000g · Brake: post mount 200mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCrown option:\u003c\/strong\u003e choose \"Flat\" crown for a 19\" front wheel or \"Drop\" crown for a 21\" front wheel.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTuning:\u003c\/strong\u003e selected by rider weight (120–240 lbs) and feel — Plush or Firm.\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eManufacturer\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eCompatible\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSur-Ron\u003c\/td\u003e\n\u003ctd\u003eLBX\/S (all years)\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eBoost rotor spacer required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTalaria\u003c\/td\u003e\n\u003ctd\u003eMX3\/4, XXX\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eBoost rotor spacer required; drop crown recommended for MX, flat for XXX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTalaria\u003c\/td\u003e\n\u003ctd\u003eMX5\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eRequires aftermarket wheel and brake\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eE-Ride Pro\u003c\/td\u003e\n\u003ctd\u003eS\/SS\/2.0\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eBoost rotor spacer required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eE-Ride Pro\u003c\/td\u003e\n\u003ctd\u003e3.0\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eEXT brake adaptor available (fits SR model too but not covered by warranty)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVentus\u003c\/td\u003e\n\u003ctd\u003eOne\/One+\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eBoost rotor spacer required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e79 Bike\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eBoost rotor spacer required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRawrr\u003c\/td\u003e\n\u003ctd\u003eMantis \/ Mantis X\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eBoost rotor spacer required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eZero\u003c\/td\u003e\n\u003ctd\u003eXB\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eBoost rotor spacer required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRerode\u003c\/td\u003e\n\u003ctd\u003eR1 \/ Ewatt 2.0\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eBoost rotor spacer required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAltis Sigma\u003c\/td\u003e\n\u003ctd\u003eSigma MX 100\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eNot compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cem\u003eCurrently sold out at the manufacturer — pre-orders accepted, ETA early July. Authorized EXT-USA dealer.\u003c\/em\u003e\u003c\/p\u003e","brand":"EXT Suspension","offers":[{"title":"Plush","offer_id":57114584318332,"sku":null,"price":1795.0,"currency_code":"USD","in_stock":true},{"title":"Firm","offer_id":57114584351100,"sku":null,"price":1795.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/3758\/7836\/files\/FerroWideShot_1.png?v=1782569785","url":"https:\/\/www.sparkmotorsports.com\/products\/ext-ferro-emx-fork","provider":"Sparkmotorsports","version":"1.0","type":"link"}