ZeroHero Thor Dosing Ring (51/53/58mm)

Effortless Precision for Every Espresso Shot

Meet the zeroHero Thor Dosing Ring—the essential espresso accessory engineered for coffee enthusiasts and professional baristas who demand absolute precision and a mess-free workflow. Designed specifically for 58mm portafilters, this dosing funnel elevates your coffee equipment setup by ensuring every gram of ground coffee lands exactly where it belongs: in your basket, not on your counter. Whether you’re dialing in for competition-level espresso or perfecting your morning ritual, the zeroHero Thor Dosing Ring delivers consistency, cleanliness, and professional-grade simplicity with every use.

Engineered for Workflow Excellence

The zeroHero Thor Dosing Ring is more than just a simple funnel—it’s a thoughtfully designed piece of specialty coffee gear that streamlines your espresso prep. By creating a seamless barrier between your grinder and portafilter, it eliminates waste and reduces the need for cleanup, saving you time and coffee with every shot. The upgraded magnetic lock design features eight embedded strong magnets, providing a secure, wobble-free fit that stays put during grinding, distribution, and tamping. No more juggling loose accessories or worrying about spills—just smooth, focused brewing from start to finish.

Key Features That Set It Apart

• Zero Waste, Zero Mess: Prevents coffee grounds from spilling over the basket, keeping your workspace tidy and ensuring every gram goes into your espresso shot.
• Upgraded Magnetic Lock: Eight embedded magnets snap the dosing ring firmly onto your 58mm portafilter for a secure fit during the entire workflow.
• Fast, Easy Cleaning: The smooth anodized aluminum surface is dishwasher safe and wipes clean in seconds, making daily maintenance effortless.
• Universal Compatibility: Designed for all standard 58mm portafilters, making it a versatile addition to any professional coffee tools collection.
• Professional-Grade Build: Engineered for both home baristas and specialty coffee shop environments, ensuring durability and consistent performance.

Premium Materials & Lasting Craftsmanship

Crafted from premium anodized aluminum, the zeroHero Thor Dosing Ring is built to withstand the demands of daily use in busy cafés or at home. The anodized finish not only provides a sleek, modern look but also offers exceptional resistance to rust, corrosion, and wear. This focus on quality materials and purposeful design means your dosing ring will maintain its shape, color, and performance over time—delivering reliable results shot after shot.

How to Use for Perfect Espresso Prep

• Attach: Place the dosing ring on top of your 58mm portafilter. The eight embedded magnets will snap it securely into place.
• Grind: Grind your coffee directly into the portafilter basket through the dosing ring, ensuring all grounds are contained.
• Distribute & Tamp: Use your favorite WDT tool, tamper, or other barista tools to distribute and tamp the grounds while the ring remains attached.
• Remove: Gently lift the dosing ring off the portafilter before locking in your portafilter for brewing.

This simple workflow helps you achieve even extraction, consistent dosing, and a cleaner workspace—hallmarks of professional coffee preparation.

Dimensions & Fit

The zeroHero Thor Dosing Ring is designed to fit all standard 58mm portafilters, making it compatible with most commercial and high-end home espresso machines. Its low-profile design allows for easy integration into your existing coffee equipment setup without adding bulk or interfering with your espresso accessories.

Care Instructions

• Dishwasher Safe: Simply place the dosing ring in your dishwasher for thorough cleaning.
• Quick Wipe: The smooth anodized surface wipes clean in seconds for fast daily maintenance.
• Long-Lasting Finish: Avoid abrasive cleaners to preserve the anodized coating and maintain the ring’s premium look.

What’s in the Box

• 1 × zeroHero Thor Dosing Ring (58mm, magnetic lock)
• Protective packaging to ensure safe delivery

Product Specification