Normcore 58mm convex billet basket kit, 18g, 58-32mm, 0.18mm holes

• CONVEX GEOMETRY FOR NATURAL FLOW RESISTANCE：Unlike traditional flat-wall baskets that rely on finer grinding to control flow, the Normcore Convex Billet Basket generates resistance through increased puck depth -helping produce cleaner, more stable, and more expressive shots
• GRIND COARSER FOR GREATER CLARITY：Designed for a different dial-in strategy - start slightly coarser than your typical espresso setting and adjust gradually. The deeper puck supports a broader particle range, helping enhance sweetness, improve flavor separation, and reduce bitterness
• IDEAL FOR LOW-FLOW & MODERN EXTRACTION STYLES：Optimized for slower shot speeds of approximately 1 ml per second (excluding pre-infusion) to promote even saturation throughout the puck. Especially effective for light roasts, high-extraction recipes, and blooming techniques
• CNC-MACHINED BILLET PRECISION：Machined from a solid billet and finished with 0.28mm precision holes to support uniform water distribution and highly repeatable performance - shot after shot. Not intended to replace traditional baskets, but to expand your extraction possibilities
• COMPLETE EXTRACTION KIT：Everything You Need - Built for Precision Brewing. Includes: Convex Billet Basket, 0.8mm Stainless Steel Puck Screen, 200 × 58mm Filter Papers. Designed for users familiar with dialing in espresso. Expect a slower shot than traditional baskets - this is intentional

Convex Geometry. A Different Approach to Resistance. The Normcore Convex Billet Basket introduces a fundamentally different extraction regime inside a standard 58mm portafilter. By reducing the internal diameter, the basket creates a deeper, higher-aspect-ratio puck that generates resistance through geometry rather than relying on finer grind sizes. This allows baristas to grind coarser while maintaining controlled flow — helping reduce fines, bitterness, and harsh flavor notes. Designed for modern espresso techniques such as low-flow and blooming extractions, the Convex Billet Basket promotes even saturation for clarity, sweetness, and improved balance in the cup. Precision CNC-machined, it delivers consistent performance for home enthusiasts and professionals seeking greater control over extraction variables. Tech Notes : - Stepped geometry increases puck depth, generating resistance through shape rather than fine grinding. - Designed for coarser grind settings while maintaining controlled flow. - Reduced fines production helps lower bitterness and harshness. - Supports low-flow and blooming-style extractions. - Best results with 18g dose. - Target flow rate: ~1 ml/s (excluding pre-infusion). THE SET INCLUDES: 1 - Convex Billet Portafilter Basket 1 - 0.8mm Puck Screen 200 - Filter paper