{"product_id":"sirris-r38-shock-surron-light-bee-x","title":"Sirris R38 Shock: Surron Light Bee X","description":"\u003cp\u003eThe Sirris R38 Rear Shock upgrade brings true motocross-inspired suspension technology to the Surron Light Bee X (LBX). Based on the proven Sirris R46 platform, the R38 features oversized internal architecture, massive oil flow, and an advanced 2-Stage Compression (2SC) damping system for exceptional control, consistency, and durability on aggressive trails, jumps, and high-speed terrain.\u003c\/p\u003e\n\u003cp\u003eUnlike typical mountain bike-based e-moto shocks, the R38 Shock is engineered specifically for the demands of lightweight electric dirt bikes. Independent high-speed and low-speed compression adjustment, rebound adjustment, and spring preload allow riders to fine-tune suspension performance for any riding style or terrain.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned specifically for the Surron Light Bee X (LBX)\u003c\/li\u003e\n\u003cli\u003eMoto-inspired R46 internal architecture in a compact chassis\u003c\/li\u003e\n\u003cli\u003eIndependent high-speed and low-speed compression adjustment (2SC)\u003c\/li\u003e\n\u003cli\u003eTool-free low-speed compression and rebound adjustment\u003c\/li\u003e\n\u003cli\u003eAdjustable spring preload for personalized suspension setup\u003c\/li\u003e\n\u003cli\u003eHigh-flow 38mm piston for consistent damping and reduced fade\u003c\/li\u003e\n\u003cli\u003eLarge 16mm hollow hard-chromed shaft for maximum strength\u003c\/li\u003e\n\u003cli\u003eType III hard anodized aluminum body with ACME threads\u003c\/li\u003e\n\u003cli\u003eCMX (Compact Motocross Tune) optimized for aggressive off-road riding\u003c\/li\u003e\n\u003cli\u003eChrome-plated, Teflon-lined spherical bearings for durability\u003c\/li\u003e\n\u003cli\u003eMaintains factory rear ride height and wheel travel with the required Prickly linkage system\u003c\/li\u003e\n\u003cli\u003ePairs perfectly with the \u003cstrong\u003e\u003ca href=\"\/products\/sirris-f43-fork-cmx-tune-sur-ron-light-bee-x\"\u003eSirris F43 CMX Fork: Surron Light Bee X\u003c\/a\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e The original factory Surron Light Bee X linkage and rear triangle are \u003cstrong\u003enot compatible\u003c\/strong\u003e with the Sirris R38 Shock. The R38 requires the \u003cstrong\u003e\u003ca href=\"\/products\/prickly-triangle-linkage-kit-sirris-r38-surron-lbx\"\u003ePrickly Triangle \u0026amp; Linkage Kit for Sirris R38: Surron LBX\u003c\/a\u003e\u003c\/strong\u003e (sold separately). This purpose-built kit accommodates the larger R38 shock while maintaining factory rear ride height and wheel travel. No frame modifications are required.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 269mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStroke:\u003c\/strong\u003e 68mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShock Type:\u003c\/strong\u003e Piggyback, steel spring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 3.3 lbs (1.5 kg) without spring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-Speed Compression:\u003c\/strong\u003e 18 clicks, tool-free adjustment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Speed Compression:\u003c\/strong\u003e 24 clicks, 20mm hex adjustment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRebound:\u003c\/strong\u003e 24 clicks, tool-free adjustment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpring Preload:\u003c\/strong\u003e Adjustable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMain Piston:\u003c\/strong\u003e 38mm high-flow CNC 6061 billet aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShaft:\u003c\/strong\u003e 16mm hollow, induction-hardened, hard-chromed steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShock Body:\u003c\/strong\u003e Seamless 6061 aluminum, Type III hard anodized\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReservoir:\u003c\/strong\u003e R46-spec internal floating piston system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBottom-Out Protection:\u003c\/strong\u003e MCU bumper\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTop-Out Protection:\u003c\/strong\u003e Rubber bumper\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeals:\u003c\/strong\u003e HNBR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTune:\u003c\/strong\u003e CMX (Compact Motocross)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpring Options\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMedium: 140 lbs - 180 lbs (100 N\/mm spring)\u003c\/li\u003e\n\u003cli\u003eHeavy: 180 lbs - 220 lbs (110 N\/mm spring)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eRider weight ranges are based on body weight without riding gear. Sirris accounts for approximately 15 lbs of riding gear in its recommended ranges. Additional weight from upgraded batteries, controllers, and other components should be considered when selecting a spring rate.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSurron Light Bee X (LBX)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eImportant Notes:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eRequires the \u003cstrong\u003e\u003ca href=\"\/products\/prickly-triangle-linkage-kit-sirris-r38-surron-lbx\"\u003ePrickly Triangle \u0026amp; Linkage Kit for Sirris R38: Surron LBX\u003c\/a\u003e\u003c\/strong\u003e (sold separately).\u003c\/li\u003e\n\u003cli\u003eStock Surron LBX linkage and rear triangle are not compatible with the R38 Shock.\u003c\/li\u003e\n\u003cli\u003eInstallation is a direct bolt-on solution without drilling, fabrication, or frame modifications.\u003c\/li\u003e\n\u003cli\u003eThe Prickly linkage system compensates for the R38's shorter shock stroke, maintaining factory rear wheel travel and ride height.\u003c\/li\u003e\n\u003cli\u003eDesigned to pair with the \u003cstrong\u003e\u003ca href=\"\/products\/sirris-f43-fork-cmx-tune-sur-ron-light-bee-x\"\u003eSirris F43 CMX Fork\u003c\/a\u003e\u003c\/strong\u003e for balanced front and rear suspension performance.\u003c\/li\u003e\n\u003cli\u003eFitment for the newer Surron Light Bee 2 (LB2) is under development and is not confirmed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eR38 Shock Tuning Recommendations For Surron LBX\u003c\/h2\u003e\n\u003cp\u003eThe following table provides spring specifications and adjustment information for the Sirris R38 Shock on the Surron Light Bee X.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; max-width: 600px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eR38 Shock\u003c\/th\u003e\n\u003cth\u003eMedium\u003c\/th\u003e\n\u003cth\u003eHeavy\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRider Weight (lbs, No Gear)\u003c\/td\u003e\n\u003ctd\u003e140-180\u003c\/td\u003e\n\u003ctd\u003e180-220\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompression Setting\u003c\/td\u003e\n\u003ctd\u003eL-Speed 10 \/ H-Speed 12\u003c\/td\u003e\n\u003ctd\u003eL-Speed 10 \/ H-Speed 12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRebound Setting\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpring Rate (N\/mm)\u003c\/td\u003e\n\u003ctd\u003e100\u003c\/td\u003e\n\u003ctd\u003e110\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePreload Setting\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eR38 values above indicate available adjustment ranges, not recommended starting click positions. Refer to the Sirris Surron LBX owner's guide for model-specific initial compression, rebound, and preload settings.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSuspension Installation \u0026amp; Setup:\u003c\/strong\u003e Refer to the \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0725\/2351\/4092\/files\/sirris-2026-LBX-owners-guide-101526.pdf\"\u003eSurron Light Bee X F43\/R38 owner's guide\u003c\/a\u003e for installation procedures, recommended damping settings, spring preload, and torque specifications.\u003c\/p\u003e","brand":"Sirris","offers":[{"title":"Medium (140 - 180 lbs)","offer_id":68032023134504,"sku":"SIR-R38-LBX-M","price":899.0,"currency_code":"USD","in_stock":true},{"title":"Heavy (180 - 220 lbs)","offer_id":68032023167272,"sku":"SIR-R38-LBX-H","price":899.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/0688\/5160\/files\/Sirris-R38-Shock-2.jpg?v=1784771369","url":"https:\/\/darwinev.com\/products\/sirris-r38-shock-surron-light-bee-x","provider":"Darwin EV","version":"1.0","type":"link"}