{"title":"RedMax Brand","description":null,"products":[{"product_id":"srm225-string-trimmer-head-for-speed-feed","title":"[Upgraded] SRM-225 String Trimmer Head - Fits Echo SRM-225, SRM-230, SRM-210, SRM-2100","description":"\u003ch2\u003eSRM-225 String Trimmer Head\u003c\/h2\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e30-Second \"Easy-Load\" Technology:\u003c\/strong\u003e The patented Speed-Feed 400 design allows you to reload the entire head with trimmer line in under 30 seconds without disassembling the housing or removing the spool.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Line Bump Feed:\u003c\/strong\u003e Engineered for professional-grade reliability, providing instant line advancement with a light tap on the ground while the engine is at full throttle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBalanced High-RPM Design:\u003c\/strong\u003e Factory-balanced to reduce centrifugal vibration, which minimizes wear on the gear head bearings and significantly reduces operator hand fatigue.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReinforced Metal Eyelets:\u003c\/strong\u003e Features high-durability metal line exits that resist friction-induced heat, preventing the nylon line from \"welding\" to the head during heavy trimming.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Impact Polymer Housing:\u003c\/strong\u003e Manufactured from specialized glass-reinforced nylon to withstand high-velocity impacts with rocks, curbs, and fence posts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReplaces \/ Cross-Reference Part Numbers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEcho:\u003c\/strong\u003e 99944200907, 99944200908\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShindaiwa:\u003c\/strong\u003e 78890-21001, 28820-08001\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOther:\u003c\/strong\u003e X047000490, X047000491\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eThis \"400\" series head is the primary replacement for most professional-grade straight-shaft trimmers. Key compatible models include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEcho SRM Series:\u003c\/strong\u003e SRM-210, SRM-225, SRM-225i, SRM-230, SRM-2100, SRM-2110, SRM-265, SRM-266.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEcho PAS Series (Pro Attachment):\u003c\/strong\u003e PAS-210, PAS-211, PAS-225, PAS-230, PAS-260.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShindaiwa T-Series:\u003c\/strong\u003e T195S, T220, T222, T230, T231, T242, T242X.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTechnical Fitment:\u003c\/strong\u003e Designed for straight-shaft trimmers utilizing the \u003cstrong\u003eM10 x 1.25 LHF\u003c\/strong\u003e (Left Hand Female) arbor thread.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen to Replace\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorn-Through Bump Cap:\u003c\/strong\u003e The center knob has ground down from pavement contact to the point where the internal spring is exposed or it no longer triggers the line release.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCracked Outer Shell:\u003c\/strong\u003e Visible stress fractures in the black housing, which can cause the head to shatter or become dangerously unbalanced at high RPMs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoading Mechanism Jam:\u003c\/strong\u003e The internal eyelets no longer align with the arrows, or the twisting mechanism has become seized with dried sap and debris.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequent Line Snapping:\u003c\/strong\u003e The metal eyelets are missing or deeply grooved, causing the trimmer line to snap off inside the head repeatedly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExcessive Vibration:\u003c\/strong\u003e The head has become structurally unsound or unevenly worn, putting undue stress on the gear head and drive shaft.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeft-Hand Threads:\u003c\/strong\u003e This head is \u003cstrong\u003eLeft-Hand Threaded\u003c\/strong\u003e. To install, turn the head \u003cstrong\u003eCounter-Clockwise\u003c\/strong\u003e onto the gear head shaft.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLock the Shaft:\u003c\/strong\u003e Insert a small hex key or the factory locking pin into the gear head hole to hold the shaft stationary while you spin the old head off and the new one on.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe Loading Arrow:\u003c\/strong\u003e To reload, rotate the top knob until the arrows on the knob align perfectly with the metal eyelets. Push your line straight through the head until it is even on both sides, then twist the knob to wind.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLine Diameter:\u003c\/strong\u003e For the SRM-225, \u003cstrong\u003e0.095\" line\u003c\/strong\u003e provides the best balance of durability and cutting power without over-stressing the engine.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoak Your Line:\u003c\/strong\u003e To extend the life of your trimmer line, soak it in water for 24 hours. Hydrated nylon is much more flexible and significantly less likely to snap at the eyelet during heavy use.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BlueStarsParts","offers":[{"title":"Default Title","offer_id":45371210072253,"sku":"AZ00426119","price":15.72,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2576\/7548\/files\/AZ00471138_1.jpg?v=1757320340"},{"product_id":"511010601-trimmer-head-for-redmax-pt104-pt104","title":"511010601 Trimmer Head - Fits Redmax PT104, PT-104 Plus, BC250, BC2300 - 2 Pack","description":"\u003ch2\u003e511010601 \/ PT104 Trimmer Head for Redmax String Trimmers\u003c\/h2\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial-Grade Bump-Feed:\u003c\/strong\u003e Designed for professional use, the PT104 \"Plus\" style head allows for rapid line advancement with a simple tap on the ground during full-throttle operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Capacity Spool:\u003c\/strong\u003e Engineered to hold up to 20 feet of 0.095\" diameter line, significantly reducing downtime spent reloading during large-scale landscaping jobs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReinforced Alloy Eyelets:\u003c\/strong\u003e Features high-grade metal line exits that resist heat buildup and friction, preventing the trimmer line from \"welding\" to the head during intensive use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSplit-Spool Design:\u003c\/strong\u003e Includes an internal divider to keep the line segments separated, preventing tangling and \"overlapping\" for a smooth, consistent feed every time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImpact-Resistant Composite:\u003c\/strong\u003e Manufactured from a specialized glass-filled nylon composite to withstand high-velocity impacts with rocks, curbs, and fence posts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReplaces \/ Cross-Reference Part Numbers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e511010601\u003c\/li\u003e\n\u003cli\u003ePT104 \/ PT104 Plus\u003c\/li\u003e\n\u003cli\u003e511010602\u003c\/li\u003e\n\u003cli\u003e630-310\u003c\/li\u003e\n\u003cli\u003e84471010601\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eThis trimmer head is the primary professional choice for Redmax and many Husqvarna-based straight shaft trimmers. Key compatible models include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRedmax BC Series:\u003c\/strong\u003e BC250, BC225, BC2300, BC2600.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRedmax BCZ Series:\u003c\/strong\u003e BCZ2400S, BCZ2401S, BCZ2460S, BCZ2460TS, BCZ2600S, BCZ2601S, BCZ2660TS, BCZ3060TS.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRedmax TR Series:\u003c\/strong\u003e TR2300S, TR2301S, TR2350S.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTechnical Fitment:\u003c\/strong\u003e Designed for models utilizing the \u003cstrong\u003eM10 x 1.25 LHF\u003c\/strong\u003e (Left Hand Female) arbor thread.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen to Replace\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorn-Through Bump Knob:\u003c\/strong\u003e The red center knob has ground down to the point where the internal spring is exposed or it no longer triggers the line release.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCracked Housing:\u003c\/strong\u003e Visible stress fractures in the black outer shell, which can lead to the head shattering at high RPMs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEyelet Failure:\u003c\/strong\u003e The metal eyelets have fallen out or are deeply grooved, causing the trimmer line to snap off inside the head frequently.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal Spool Jamming:\u003c\/strong\u003e The plastic \"teeth\" inside the head that lock the spool have rounded off, causing the head to dump all the line at once.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExcessive Vibration:\u003c\/strong\u003e The head has become unbalanced due to uneven wear, putting unnecessary stress on the trimmer's gear head and drive shaft.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeft-Hand Threads:\u003c\/strong\u003e Remember, this head is \u003cstrong\u003eLeft-Hand Threaded\u003c\/strong\u003e. To tighten it onto the trimmer, you must turn the head \u003cstrong\u003eCounter-Clockwise\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLock the Gear Head:\u003c\/strong\u003e Use a small screwdriver or the factory locking pin to hold the gear head shaft stationary while you spin the old head off and the new one on.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpool Direction:\u003c\/strong\u003e When reloading line, follow the arrows molded into the internal spool. Loading the line in the wrong direction will prevent the bump-feed mechanism from operating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoak Your Line:\u003c\/strong\u003e To extend the life of your trimmer line, soak the spool in water for 24 hours. This keeps the nylon hydrated, making it more flexible and resistant to snapping at the eyelet.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean the Spring:\u003c\/strong\u003e Every time you reload the line, shake out any dirt or grass trapped around the internal spring to ensure the \"bump\" action stays smooth and responsive.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BlueStarsParts","offers":[{"title":"Default Title","offer_id":45371210531005,"sku":"AZ00536280","price":22.54,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2576\/7548\/files\/AZ00415144_1_4523f40f-e86f-47b7-8b71-f5dda1734f55.jpg?v=1762246287"},{"product_id":"srm225-string-trimmer-head","title":"SRM-225 String Trimmer Head - Fits Echo SRM-225, SRM-210, SRM-2100, SRM-200","description":"\u003ch2\u003eSRM-225 String Trimmer Head\u003c\/h2\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightning-Fast Reloading:\u003c\/strong\u003e The patented Speed-Feed 400 design allows you to reload the trimmer line in under 30 seconds without disassembling the head; simply line up the arrows, feed the line through, and twist the knob.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Capacity Spool:\u003c\/strong\u003e Designed to hold a significant amount of 0.080\" or 0.095\" diameter line, reducing downtime and keeping you in the yard longer between refills.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmooth Bump-Feed Advance:\u003c\/strong\u003e Features a precision-balanced internal mechanism that provides reliable line advancement with a light tap on the ground, minimizing line welding and jams.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Construction:\u003c\/strong\u003e Manufactured from high-impact, glass-reinforced nylon to withstand the rigors of commercial landscaping and high-velocity contact with hard obstacles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-Vibration Operation:\u003c\/strong\u003e The factory-balanced design reduces engine and shaft vibration, leading to less operator fatigue and a longer lifespan for your trimmer's gear head.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReplaces \/ Cross-Reference Part Numbers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e99944200907\u003c\/li\u003e\n\u003cli\u003e99944200908\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eThis \"400\" series head is the standard replacement for most Echo and Shindaiwa straight-shaft trimmers. Key compatible models include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEcho SRM Series:\u003c\/strong\u003e SRM-225, SRM-225i, SRM-210, SRM-2100, SRM-200, SRM-230, SRM-250, SRM-265, SRM-266.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShindaiwa T-Series:\u003c\/strong\u003e T195S, T220, T222, T230, T231, T242, T242X.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTechnical Fitment:\u003c\/strong\u003e Designed for straight-shaft trimmers utilizing the \u003cstrong\u003eM10 x 1.25 LHF\u003c\/strong\u003e (Left Hand Female) arbor thread.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen to Replace\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorn-Through Bump Cap:\u003c\/strong\u003e The center knob has ground down from pavement contact to the point where it no longer functions or the internal spring is exposed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCracked Outer Shell:\u003c\/strong\u003e Visible fractures in the black housing which can cause the head to shatter or become dangerously unbalanced at high RPMs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoading Mechanism Failure:\u003c\/strong\u003e The internal eyelets no longer align with the arrows, or the twisting mechanism has become stripped or seized with debris.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMissing Eyelets:\u003c\/strong\u003e The metal line exits have fallen out or are deeply grooved, causing the trimmer line to snap off inside the head constantly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExcessive Vibration:\u003c\/strong\u003e The head has become structurally unsound or unevenly worn, putting undue stress on the gear head and engine.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeft-Hand Threads:\u003c\/strong\u003e This head is \u003cstrong\u003eLeft-Hand Threaded\u003c\/strong\u003e. To install, turn the head \u003cstrong\u003eCounter-Clockwise\u003c\/strong\u003e onto the gear head shaft.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLock the Shaft:\u003c\/strong\u003e Insert a small screwdriver or the factory locking pin into the gear head hole to hold the shaft stationary while you spin the old head off and the new one on.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe Loading Arrow:\u003c\/strong\u003e To reload, rotate the top knob until the arrows on the knob align perfectly with the metal eyelets. Push your line straight through the head until it is even on both sides, then twist the knob to wind.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLine Choice:\u003c\/strong\u003e For the SRM-225, \u003cstrong\u003e0.095\" line\u003c\/strong\u003e provides the best balance of durability and cutting power without over-stressing the engine.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoak Your Line:\u003c\/strong\u003e Professional tip: keep your spare trimmer line in a bucket of water. Hydrated nylon is much more flexible and significantly less likely to snap at the eyelet during heavy use.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BlueStarsParts","offers":[{"title":"Default Title","offer_id":45371210825917,"sku":"AZ00261329","price":10.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2576\/7548\/files\/AZ00227318_1_0020867e-70e5-4752-98f9-6ccaa1d8ecda.jpg?v=1762246284"},{"product_id":"99944200903-speedfeed-450-trimmer-head-1","title":"Echo Trimmer Head 99944200903 - for SRM-266, SRM-266S, SRM-266T, SRM-266U","description":"\u003ch2\u003e99944200903 Speed-Feed 450 Trimmer Head\u003c\/h2\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFeatures a rapid-loading system for trimmer line refills.\u003c\/li\u003e\n\u003cli\u003eBump-feed mechanism advances line with a simple tap on the ground.\u003c\/li\u003e\n\u003cli\u003eHolds up to 20 ft. of 0.095 in. diameter trimmer line.\u003c\/li\u003e\n\u003cli\u003eConstructed with a durable, high-impact housing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReplaces \/ Cross-Reference Part Numbers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003e99944200903\u003c\/li\u003e\n\u003cli\u003eX047000940\u003c\/li\u003e\n\u003cli\u003e28820-08000\u003c\/li\u003e\n\u003cli\u003e78890-21001\u003c\/li\u003e\n\u003cli\u003e385-288\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility \u0026amp; Fitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFits various ECHO straight-shaft grass trimmers and brushcutters.\u003c\/li\u003e\n\u003cli\u003eCommonly used on models such as the ECHO SRM266.\u003c\/li\u003e\n\u003cli\u003eRequires a 10 mm x 1.25 mm left-hand (LH) threaded arbor for installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen to Replace\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe outer housing is cracked, broken, or excessively worn.\u003c\/li\u003e\n\u003cli\u003eThe bump knob fails to advance the trimmer line upon tapping.\u003c\/li\u003e\n\u003cli\u003eInternal components are worn and can no longer grip or feed the line properly.\u003c\/li\u003e\n\u003cli\u003eLine eyelets are damaged, causing the line to fray or break frequently.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDisconnect the spark plug before beginning installation for safety.\u003c\/li\u003e\n\u003cli\u003eLock the gearbox to prevent the head from rotating during removal.\u003c\/li\u003e\n\u003cli\u003eUnscrew the old head by turning it clockwise (it is reverse-threaded).\u003c\/li\u003e\n\u003cli\u003eSecure the new head by threading it on counter-clockwise until snug.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BlueStarsParts","offers":[{"title":"Default Title","offer_id":45860030152893,"sku":"AZ00122742","price":16.49,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2576\/7548\/files\/AZ00652119_1_d54a28c7-672b-4132-b9e4-816d2364712b.jpg?v=1762245598"}],"url":"https:\/\/bluestarspartstrend.com\/collections\/redmax-brand.oembed","provider":"BlueStars Parts","version":"1.0","type":"link"}