{"product_id":"mellow-gt2-idler-pulley-16-20-teeth-aluminum-3mm-bore-6mm-timing-belt","title":"Mellow GT2 Idler Pulley 16\/20T Aluminum 3mm Bore | 6mm Belt","description":"\n\u003ch2\u003eMellow 2GT Synchronous Wheel Idler Pulley – 16T \/ 20T | GT2 Timing Belt Compatible\u003c\/h2\u003e\n\u003cp\u003eKeep your 3D printer's motion system running smoothly with the \u003cstrong\u003eMellow 2GT Aluminum Idler Pulley\u003c\/strong\u003e. Available in 16-tooth and 20-tooth configurations, with or without teeth, this precision-machined pulley is the go-to upgrade for DIY 3D printer builders who demand accuracy and reliability. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose the Mellow GT2 Idler Pulley?\u003c\/h3\u003e\n\u003cp\u003eMellow's gears are produced using \u003cstrong\u003ecustom tooling supplied by Gates\u003c\/strong\u003e, ensuring a 100% match with Gates GT2 belts. Paired with high-precision integrated bearings, these pulleys deliver smooth, low-friction belt guidance — eliminating the belt-slip and wobble that compromise print quality.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTooth Options:\u003c\/strong\u003e 16T or 20T — available with teeth or smooth (toothless) for flexible routing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Lightweight, durable aluminum construction\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBore:\u003c\/strong\u003e 3mm — pre-fitted with high-precision bearing for easy installation\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBelt Pitch:\u003c\/strong\u003e 2mm (GT2 standard)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBelt Width:\u003c\/strong\u003e Fits 6mm GT2 timing belts\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGear Width:\u003c\/strong\u003e 7mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAssembly Required:\u003c\/strong\u003e No — ready to install straight out of the package\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel Number:\u003c\/strong\u003e 1620TI6SB5\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDIY 3D printer builds and upgrades (FDM\/CoreXY\/Cartesian)\u003c\/li\u003e\n  \u003cli\u003eReplacing worn or noisy belt idlers\u003c\/li\u003e\n  \u003cli\u003eCustom CNC and motion control projects using GT2 belt systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × GT2 Aluminum Timing Belt Idler Pulley (choose your tooth count and tooth\/toothless variant at checkout)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Need\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/nitrile-work-gloves-anti-slip-full-finger-5-pair\"\u003e5-Pair Nitrile Work Gloves – Anti-Slip Full Finger Safety\u003c\/a\u003e — protect your hands during assembly\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/ball-end-hex-screwdriver-bit-magnetic-reduced-shank-steel\"\u003eBall End Hex Screwdriver Bit – Magnetic Reduced Shank Steel\u003c\/a\u003e — ideal for tightening pulley set screws\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/adjustable-woodworking-compass-layout-gauge-carpenter\"\u003eAdjustable Woodworking Compass Layout Gauge for Carpenters\u003c\/a\u003e — useful for precise component positioning\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the difference between the toothed and toothless (smooth) GT2 idler pulley versions?\u003c\/h4\u003e\n\u003cp\u003eA: The \u003cstrong\u003etoothed idler pulley\u003c\/strong\u003e (16T or 20T) engages directly with the GT2 belt teeth for positive belt routing with no slipping, ideal for changing belt direction under load. The \u003cstrong\u003etoothless (smooth) idler pulley\u003c\/strong\u003e acts as a tensioner or guide on the flat back side of the belt, reducing noise and friction without meshing with the teeth. Choose based on where the pulley contacts your belt in your 3D printer's motion system.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this GT2 idler pulley compatible with my 3D printer?\u003c\/h4\u003e\n\u003cp\u003eA: This Mellow GT2 idler pulley is compatible with any 3D printer or motion system that uses a \u003cstrong\u003estandard GT2 timing belt with 6mm width and 2mm pitch\u003c\/strong\u003e — including popular platforms like Ender, Voron, RatRig, and many CoreXY and Cartesian designs. The 3mm bore with integrated bearing fits standard M3 hardware directly.\u003c\/p\u003e\n\u003ch4\u003eQ: Does it come pre-assembled with the bearing installed?\u003c\/h4\u003e\n\u003cp\u003eA: Yes — the Mellow GT2 idler pulley comes with the \u003cstrong\u003ehigh-precision bearing pre-installed\u003c\/strong\u003e in the 3mm bore. No additional assembly is required; simply mount it onto your printer's M3 shaft or screw and you're ready to go.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the difference between the toothed and toothless (smooth) GT2 idler pulley versions?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The toothed idler pulley (16T or 20T) engages directly with the GT2 belt teeth for positive belt routing with no slipping, ideal for changing belt direction under load. The toothless (smooth) idler pulley acts as a tensioner or guide on the flat back side of the belt, reducing noise and friction without meshing with the teeth. 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No additional assembly is required; simply mount it onto your printer's M3 shaft or screw and you're ready to go.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/wb8bmu-rg.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/wb8bmu-rg.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Mellow GT2 Idler Pulley 16\/20T Aluminum 3mm Bore | 6mm Belt\", \"item\": \"https:\/\/wb8bmu-rg.myshopify.com\/products\/mellow-gt2-idler-pulley-16-20-teeth-aluminum-3mm-bore-6mm-timing-belt\"}]}\u003c\/script\u003e","brand":"Xpnd","offers":[{"title":"16T Without T","offer_id":67748629217517,"sku":"14:29#16T Without T","price":9.62,"currency_code":"USD","in_stock":true},{"title":"20T With T","offer_id":67748629250285,"sku":"14:173#20T With T","price":9.62,"currency_code":"USD","in_stock":true},{"title":"20T Without T","offer_id":67748629283053,"sku":"14:175#20T Without T","price":9.62,"currency_code":"USD","in_stock":true},{"title":"16T With T","offer_id":67748629315821,"sku":"14:10#16T With T","price":9.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0840\/1269\/5789\/files\/H0b8b77a9598946d69f43e5347bdcbf65O_7f742dbe-87d0-4e83-8e37-8960ff817de1.webp?v=1791897650","url":"https:\/\/xpndservice.com\/products\/mellow-gt2-idler-pulley-16-20-teeth-aluminum-3mm-bore-6mm-timing-belt","provider":"XPND","version":"1.0","type":"link"}