54mm Silicone Grouphead Gasket Pack 2 for Breville Sage ✔️ 54mm diameter, 5.5mm thick, leak-proof seal for 9-bar extraction This 54mm silicone grouphead gasket is a replacement sealing ring designed for Breville and Sage espresso machines used in home coffee setups. It ensures a tight seal between the portafilter and the grouphead, promoting consistent 9-bar extraction during brewing. ✅ 54mm diameter, 5.5mm thickness ✅ Food-grade silicone, heat resistant to 230°C / 446°F, 70 Shore A ✅ Compatible with Breville Sage 54mm grouphead models (Barista Pro/Express/Dual Boiler/Oracle variants) ✅ Tool-free installation for quick DIY swaps ✅ Pack of 2 gaskets for replacements and spare maintenance ✅ Beige color blends with common machines 💡 What is a 54mm silicone grouphead gasket used for in Breville and Sage espresso machines? This handy gasket seals the portafilter to the grouphead and helps ensure consistent extraction pressure in home setups. - 54mm diameter and 5.5mm thickness - Food-grade silicone, heat resistant to 230°C / 446°F - 70 Shore A hardness for durable, flexible seal - Tool-free installation, swap in under 5 minutes ✝️