Highlights
• 80-click precision scale: The adjustment ring has 80 clicks, twice as many as the original, for finer and more precise grind adjustment and better control over how your coffee tastes.
• Precise dimensions: The adjustment ring is 61.5 mm in diameter, with an outer diameter of 57.2 mm and a height of 13 mm once installed. It fits the C40 grinder perfectly for a secure installation.
• High-strength materials: The main body is aluminium alloy with a sandblasted, anodised finish that is hard-wearing and looks great, paired with a magnetic SUS420 stainless steel main shaft for added durability.
• Complete set of parts: The lifting screw, central shaft, stop screw, scale stop ring, detent balls × 3 and bearings × 2 are all stainless steel, so every grind adjustment clicks into place accurately.
• Secure and stable: Fitted with fluororubber (FKM) retaining rings × 2 and internal nylon damping rings × 2 to prevent vibration and slipping for steadier operation.
• Light yet sturdy: The adjustment ring assembly weighs 132 g (249 g with packaging), combining durability with portability for easy carrying and long-term use.
Detailed Specifications
• Adjustment ring diameter: 61.5 mm (outer diameter 57.2 mm once installed)
• Height once installed: 13 mm
• Total height: 38 mm without central shaft, 107 mm with central shaft
• Adjustment ring assembly weight: 132 g, 249 g with packaging
• Material: Aluminium alloy adjustment ring and retaining ring, sandblasted and anodised
• Lifting screw, central shaft, stop screw, scale stop ring, detent balls × 3 and bearings × 2 are all stainless steel
• Main shaft material: SUS420 stainless steel (magnetic)
• Sealing parts: Fluororubber (FKM) retaining rings × 2, internal nylon damping rings × 2
Installation: Please watch the installation video below
Installation Video
