Nucleus LINK
Portable Sample Roaster

The LINK is a precision sample roaster built for anyone who wants an accurate and honest expression of their coffee, without needing prior roasting experience. Compact, portable, and competition-proven, it is the Official Sample Roaster of the World Coffee Roasting Championship 2024–2026. Whether you are a roaster assessing green samples, a buyer evaluating lots, or an enthusiast exploring roast profiles, the LINK brings professional-grade roasting to wherever you are.

Main Features

• No Experience Needed Wide range of built-in profiles to choose from, with options for both simple and advanced customization
• LINK App Connect via iOS or Android for density tube integration, variety and process selection, and custom profile building
• Completely Portable Comes with a military-grade, water-resistant travel case — roast samples anytime, anywhere
• Precision Temperature Each roast starts at room temperature with the bean matching ambient temperature — for a more even roast, lower CO₂ levels, and earlier tasting potential
• Fan Speed Calibration Adjustable fan settings ensure consistent performance regardless of elevation or external conditions
• LINK Studio Software Access 1,000+ profiles, live tracking, and full profile customization on Mac or Windows

Accolades

• World Stage Official Sample Roaster, World Coffee Roasting Championship 2024–2026
• WBrC 2024 Used by 1st place winner Martin Wölfl (Austria), World Brewers Cup Championship 2024
• WBrC 2021 Used by 1st place winner Matt Winton (Switzerland), World Brewers Cup Championship 2021

Technical Specifications

• Batch Capacity 50 – 100g
• Voltage 220V
• Plug Type
• Dimensions (W × L × H) 120 × 120 × 450 mm
• Roaster Weight 2.4 – 2.6 kg (roaster only) | 8.4 – 8.8 kg (in travel case)
• Materials Powder coated steel roast unit, aluminium roast chamber, double layer borosilicate glass hopper
• App Compatibility iOS and Android (LINK App) · Mac and Windows (LINK Studio)