Requiring half the force to produce the same pressure as its predecessor, ROK's all-new and totally re-engineered Glass Composite (GC) brew chamber & piston make it easier than ever to handcraft rich, crema-topped espresso.
Easily retrofitted to your existing ROK/Presso Espresso Maker—since we know you still love it—the GC Conversion kit provides enhanced insulation, pressure, accuracy, and uncompromising performance.
Now includes the new Competition Screen for a more even and less forceful distribution of water across the coffee bed, resulting in less channelling and more consistent extractions.
New glass composite brew chamber design provides superior insulation and produces same pressure as original with significantly less force, delivering twice the performance.
New Competition Screen produces a more even and less forceful distribution of water across the coffee bed, resulting in less channelling and more consistent extractions.
Compatible with all previous ROK/Presso Espresso Makers.
4-piece kit includes glass composite brew cylinder & piston/plunger, silicone o-ring and Competition Screen.
Designed and Engineered in London
Made in China
ROK is committed to supporting your personal coffee journey—exploring fresh grind, craft roasts and heading for the so-called ‘God-shot' with a hands-on process that yields a more rewarding experience.
With sustainability of materials and methods as a guiding principle, ROK engineers products to last decades while minimising energy use: no unnecessary electric pumps or motors to wear out—instead harnessing simple mechanical advantage; no throwaway upgrade cycle, no wasteful coffee pods, and no wasteful packaging.
Featuring the totally re-engineered Glass Composite (GC) brew chamber & piston, ROK Espresso GC requires half the force to produce the same pressure as the original model, making it easier than ever to produce café worthy espresso.
Yielding uncompromising quality, and easily retrofitted to your existing ROK/Presso Espresso Maker—since we know you still love it—the GC brew chamber & plunger is also available as an upgrade.
Freshness, grind, water, temperature, ratio, pre-infusion, pressure—a lot goes into pulling the perfect espresso, and the immersive hands-on brewing of ROK allows for total control and customisation of each variable.
Enjoy exploring at your own pace. With a little practice, you can fine-tune your recipe and technique to produce truly amazing espressos, cappuccinos and lattes—lovingly made by you to your personal taste.
Aficionados know that it's the simple things in life that are the most extraordinary—like laying a vinyl record on the turntable, gently setting the arm, checking the speed, and appreciating the depth of sound that digital simply can't replicate.
Placing all aspects of the brewing process squarely in your hands with its elegant and iconic design, ROK allows you to slow down, take it all in and savour the unbridled freedom and pleasure of making your espresso exactly the way you like it.