{"product_id":"step-down-portafilter-basket","title":"Introvert Step-Down Portafilter Basket","description":"\u003cp data-end=\"1052\" data-start=\"559\"\u003eTransform your espresso workflow with the Introvert Step-Down Portafilter Basket - a 58mm basket engineered with a 49mm extraction zone to optimise puck density, flow control and flavour balance. This innovative “step-down” design deepens the coffee bed and concentrates the extraction area, producing richer, more stable shots with improved resistance and fewer inconsistencies. It’s a precision tool designed for baristas and enthusiasts seeking the next evolution in espresso geometry.\u003c\/p\u003e\n\u003cp data-start=\"818\" data-end=\"1244\"\u003eCNC-machined from a solid block of 304 stainless steel, this basket delivers precision unmatched by stamped alternatives. The perfectly straight walls and sharply defined edges promote consistent flow, while the thickened base minimises flex during extraction - even at pressures up to 9 bar. Its robust build offers exceptional corrosion resistance and long-term durability, ensuring reliable performance for years to come.\u003c\/p\u003e\n\u003cp data-start=\"1246\" data-end=\"1679\"\u003eThe narrowed 49mm internal diameter allows for a taller, more compact puck while maintaining your existing 58mm portafilter setup. This configuration creates a more even pressure gradient through the grounds, reducing the risk of channelling and enhancing clarity in every cup. Whether you’re experimenting with light roasts or pursuing high-extraction shots, the Introvert Step-Down Basket brings new depth and sweetness to your espresso.\u003c\/p\u003e\n\u003ch2 data-end=\"896\" data-start=\"539\"\u003eIntrovert Step-Down Portafilter Basket\u003c\/h2\u003e\n\u003cp data-end=\"896\" data-start=\"539\"\u003e\u003cstrong data-start=\"1744\" data-end=\"1770\"\u003eCNC-Machined Precision\u003c\/strong\u003e – Cut from a solid block of 304 stainless steel for exact geometry, sharper edges and superior durability.\u003cbr data-start=\"1878\" data-end=\"1881\"\u003e\u003cstrong data-start=\"1881\" data-end=\"1910\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"896\" data-start=\"539\"\u003e\u003cstrong data-start=\"1881\" data-end=\"1910\"\u003eStep-Down Extraction Zone\u003c\/strong\u003e – Converts a 58mm basket into a 49mm chamber, creating a taller puck that promotes balanced resistance and richer flavour.\u003cbr data-start=\"2035\" data-end=\"2038\"\u003e\u003cstrong data-start=\"2038\" data-end=\"2065\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"896\" data-start=\"539\"\u003e\u003cstrong data-start=\"2038\" data-end=\"2065\"\u003eImproved Flow Stability\u003c\/strong\u003e – The compact bed structure supports even water distribution, minimising channelling and enhancing clarity.\u003cbr data-start=\"2173\" data-end=\"2176\"\u003e\u003cstrong data-start=\"2176\" data-end=\"2202\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"896\" data-start=\"539\"\u003e\u003cstrong data-start=\"2176\" data-end=\"2202\"\u003eOptimised Hole Pattern\u003c\/strong\u003e – 1001 laser-cut holes with a 3.6% open area deliver uniform flow and clean extractions.\u003cbr data-start=\"2292\" data-end=\"2295\"\u003e\u003cstrong data-start=\"2295\" data-end=\"2316\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"896\" data-start=\"539\"\u003e\u003cstrong data-start=\"2295\" data-end=\"2316\"\u003eSeamless Geometry\u003c\/strong\u003e – Smooth funnel transition ensures no ledges or turbulence for consistent extraction across the puck.\u003cbr data-start=\"2418\" data-end=\"2421\"\u003e\u003cstrong data-start=\"2421\" data-end=\"2442\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"896\" data-start=\"539\"\u003e\u003cstrong data-start=\"2421\" data-end=\"2442\"\u003eCompatible Design\u003c\/strong\u003e – Works with standard 58mm tampers, dosing tools and bottomless portafilters.\u003c\/p\u003e\n\u003ch3 data-end=\"896\" data-start=\"539\"\u003eThis Product Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-end=\"896\" data-start=\"539\"\u003e1 x Introvert Step-Down Espresso Basket (Alpha V0.1 Edition)\u003c\/li\u003e\n\u003cli data-end=\"896\" data-start=\"539\"\u003e1 x 49mm Steel Mesh Puck Screen\u003c\/li\u003e\n\u003cli data-end=\"896\" data-start=\"539\"\u003e1 x 49mm Steel Spring\u003c\/li\u003e\n\u003cli data-end=\"896\" data-start=\"539\"\u003e1 x 3D-Printed Dosing Ring\u003c\/li\u003e\n\u003cli data-end=\"896\" data-start=\"539\"\u003e1 x 3D-Printed 49mm Simple Tamper\u003c\/li\u003e\n\u003cli data-end=\"896\" data-start=\"539\"\u003e1 x 3D-Printed Portafilter Stand\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; height: 413.094px;\" width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.5499%; height: 19.5938px;\"\u003e\u003cstrong\u003eMaterials\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.0891%; height: 19.5938px;\"\u003e304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.5499%; height: 19.5938px;\"\u003e\u003cstrong\u003eHole Count\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.0891%; height: 19.5938px;\"\u003e1001 precision laser-cut holes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.5499%; height: 19.5938px;\"\u003e\n\u003cstrong\u003eOpen Ar\u003c\/strong\u003e\u003cstrong\u003eea Ratio\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 64.0891%; height: 19.5938px;\"\u003e~3.6% (medium flow)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.5499%; height: 19.5938px;\"\u003e\u003cstrong\u003eIdeal Dose Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.0891%; height: 19.5938px;\"\u003e16 - 18g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.5499%; height: 19.5938px;\"\u003e\u003cstrong\u003eCare\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.0891%; height: 19.5938px;\"\u003eHand wash only; avoid detergents or dishwasher use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.5499%; height: 19.5938px;\"\u003e\u003cstrong\u003ePortafilter Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.0891%; height: 19.5938px;\"\u003e58mm Bottomless (will not fit spouted portafilters)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 169.156px;\"\u003e\n\u003ctd style=\"width: 35.5499%; height: 169.156px;\"\u003e\u003cstrong\u003eMachine Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.0891%; height: 169.156px;\"\u003e\n\u003cp\u003eStandard 58mm E61 groups as well as Flair 58, Victoria Arduino Eagle One Prima \/ White Eagle, IKAPE K2 Pro Portable Coffee Maker, Modbar, Gaggia Classic (depending on dispersion block)\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003ePlease note: This basket is \u003cstrong\u003enot\u003c\/strong\u003e compatible with Lelit Elizabeth's stock dispersion block, Pesado 58.5 shower screens or stock IMS screens (58.5mm diameter)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 90.7812px;\"\u003e\n\u003ctd style=\"width: 35.5499%; height: 90.7812px;\"\u003e\u003cstrong\u003eTamper Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.0891%; height: 90.7812px;\"\u003e\n\u003cp\u003eNormcore 49mm Tamper\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003ePlease note: This basket is \u003cstrong\u003enot \u003c\/strong\u003ecompatible with Puq Press 58mm tampers\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.5938px;\"\u003e\n\u003ctd style=\"width: 35.5499%; height: 35.5938px;\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.0891%; height: 35.5938px;\"\u003e\n\u003cul\u003e\n\u003cli\u003eExternal Lip Ø - 70mm\u003c\/li\u003e\n\u003cli\u003eExternal Top Wall Ø - 60mm\u003c\/li\u003e\n\u003cli\u003eInternal Top wall Ø - 58.4mm\u003c\/li\u003e\n\u003cli\u003eInternal Bottom Wall Ø - 49.85mm\u003c\/li\u003e\n\u003cli\u003eHeight - 37.7mm \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Introvert Makes","offers":[{"title":"Default Title","offer_id":45545721987211,"sku":"Basket-58-49","price":119.9,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0580\/2580\/3915\/files\/Introvert-Step-Down-Basket-58-49mm-Alpha-Version-_NO-PUCK-SCREEN.jpg?v=1771818805","url":"https:\/\/wholesale.alternativebrewing.com.au\/products\/step-down-portafilter-basket","provider":"Alternative Brewing Wholesale","version":"1.0","type":"link"}