Rocket R Cinquantotto (R58)

Dual boiler technology, PID control & rotary pump – the premium model from Rocket Espresso

The Rocket R Cinquantotto (Italian for "58") is the successor to the popular R58 – redesigned, refined, and technically up-to-date. With two independently controlled copper boilers , a quiet rotary pump , and an external touchscreen control module, the Cinquantotto sets new standards for discerning home baristas.

Professional-class technology – for the home kitchen

  • E61 brewing group with 4.05 kg made of solid brass for perfect temperature stability
  • Dual boiler system with separate boilers for espresso (0.58 l) & steam (1.8 l), both controlled by PID
  • External PID control via touch display: Brewing temperature, eco mode, shot timer & calendar function controllable
  • Rotary pump : extremely smooth running, professional brewing pressure of 9 bar
  • Switchable between water tank (2.6 l) and fixed water connection

Intelligent operation – with maximum flexibility

  • Touchscreen control with removable module – for modern handling or puristic appearance
  • Shot timer integrated directly into the display – for precise control of the extraction
  • Eco mode & automatic on/off function programmable according to calendar
  • Manual lever operation for an authentic barista feeling

Design & workmanship

  • Matt black case made of polished stainless steel (18/10 chrome nickel steel)
  • Steam lance & hot water tap with cool-touch technology
  • Heated cup rest by boiler heat
  • Generous drip tray and height-adjustable cup stand

Technical data at a glance

  • Dimensions (WxHxD): 31 × 38.5 × 44 cm
  • Weight: 29 kg
  • Power: 2 × 1,400 W, max. power consumption 1,550 W
  • Pump: Rotary pump, externally adjustable pressure
  • Tank volume: 2.6 l, optional fixed water connection (3/8")
  • Brewing group: Faema E61
  • Dual boiler: Espresso 0.58 l | Steam 1.8 l – both copper-coated & insulated

Scope of delivery

  • 1 portafilter 1-cup & 1 portafilter 2-cup
  • Blind sieve, aluminum tamper, cleaning brush
  • Water inlet and drain hose (for permanent water connection)
  • Touchscreen module & USB stick
  • Microfiber cloth & cleaning powder

Conclusion

The Rocket R Cinquantotto is the perfect choice for anyone who wants to enjoy uncompromising espresso quality and professional features in their own home. With its modern electronics, external control, and uncompromising build quality, it is one of the best dual boilers on the market.

Tillverkarens uppgifter

Rocket Milano S.r.l., Via E. Curiel 13, 20060 Liscate, Milan, Italien, www.rocket-espresso.com, info@rocket-espresso.com

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Uppgradering för din portafiltermaskin

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Vanliga frågor och svar

Jag köpte en ny kaffekvarn från Naturbohne och det finns kafferester i den.

Please note: Some manufacturers test their coffee grinders before shipping, which means that small coffee residues or bean residues can occasionally be found in the grinder. This procedure is used to test functionality and is considered a quality feature. Of course, we only sell new products - unless expressly stated otherwise.

Statisk laddning - kaffesump stänker ut från sidan

With some coffee grinders, the ground coffee can become statically charged and spray out of the portafilter at the side. This means that not all of the ground coffee gets into the portafilter, which can lead to uneven extraction. Our recommendation: Use a dosing funnel to ensure that all of the ground coffee is precisely fed into the portafilter - for optimal espresso enjoyment.

Vad är det döda utrymmet i kaffekvarnar?

Conventional coffee grinders often leave a so-called dead space in which coffee residues accumulate. These residues can not only affect the freshness, but also lead to old and fresh coffee grounds being mixed, which negatively affects the taste. In contrast, single dose grinders have a well-thought-out design that eliminates the dead space. Each portion is ground individually and precisely so that no residues are left behind - for a consistently pure and full-bodied coffee experience.

Vilket portafilter passar min espressomaskin?

When choosing the right portafilter for your portafilter machine, it is important to know that each manufacturer develops its own brewing group - the most well-known is the Faema E61. However, this does not mean that any portafilter will fit without any problems. An incompatible portafilter can leak, which will have a direct negative impact on the quality of your espresso. We therefore recommend using either the portafilter originally supplied or one that is explicitly stated to be compatible with your machine. This will ensure that the pressure is optimally built up and the espresso is perfectly extracted.

Kan jag också besöka dig eller hämta ut varorna personligen?

Yes, of course, you are welcome to come by and look at our products by appointment. We would be happy to advise you personally. The best thing to do is to send us an email with a few suggested appointment times.

We are located 5 minutes from the motorway between Stuttgart and Lake Constance on the edge of the Black Forest.

Viktig anmärkning, första användningen av kaffekvarnar

Another little tip for the perfect start with your new mill:

You will get the best grinding result after you have ground about 1-2 kg of beans. It is best to use a few cheap beans so that the grinder can work optimally. And if you are wondering what you can do with the bean flour - it is perfect plant fertilizer! 🌿

It contains nitrogen, potassium, sulfur and phosphorus and is a real nutrient bomb for your plants.

Kan ni utföra en offsetkalibrering på min portafiltermaskin?

Det finns vissa argument mot offsetkalibrering för Lelit-portafiltermaskiner, särskilt för modeller som Lelit Bianca. Det handlar främst om komplexiteten och begränsningarna med offset som enda lösning på temperaturproblem:

  1. Temperaturfluktuationer och instabilitet. Offseten tar hänsyn till en konstant skillnad mellan panntemperaturen och bryggtemperaturen. I praktiken kan dock temperaturfluktuationer förekomma, t.ex. på grund av längre ståtider eller kontinuerlig bryggning. Därför kan den faktiska bryggningstemperaturen inte alltid förutsägas exakt.
  2. Beroende av omgivande förhållanden. Faktorer som rumstemperatur, luftfuktighet och maskinens skick (t.ex. uppvärmningstid) har ett betydande inflytande på bryggningstemperaturen. En fast offset kan inte kompensera dynamiskt för dessa variabler, vilket kan leda till felaktiga resultat.
  3. Värmeförlust under stilleståndstider. Efter längre pauser kyls brygggruppen ned och maskinen behöver tid för att återgå till önskad temperatur. En korrekt inställd offset kan inte kompensera för detta, varför ytterligare åtgärder som t.ex. en "kylspolning" är nödvändiga.
  4. Felaktiga fabrikskalibreringar. På vissa Lelit-modeller har det visat sig att fabriksoffset ofta är felaktigt inställd (t.ex. 4-8 grader för lågt på Lelit Bianca). Detta kräver manuell omkalibrering av specialiserad personal, vilket kan vara komplicerat för slutanvändarna.
  5. Missförstånd i tillämpningen. Många användare blir förvirrade av motsägelsefull information om offsetinställningen, vilket kan leda till felaktiga justeringar. Ofta tror man t.ex. att offseten ensam kan lösa alla temperaturproblem, trots att den bara är en del av ett mer komplext system.

Slutsats
Offsetkalibrering är ett användbart verktyg, men det bör inte betraktas som en isolerad åtgärd. För att uppnå optimala bryggresultat krävs en kombination av exakt PID-styrning, regelbundet underhåll och skräddarsydda tekniker (t.ex. sköljshots).

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