Bellows Upgrade for Rancilio Rocky For Lower Retention Color:Black - Single Dose Bundle Small diameter (under 4

Small diameter (under 4

7mm 58mm 70

Installing this flexible seal will prevent any major buildup and greatly decrease your overall long-term retention of beans

For future availability of wooden caps

Photos and videos of bellows on grinder provided by @thatonecoffeepage and used with permission

Bellows Upgrade for Rancilio Rocky For Lower Retention Color:Black - Single Dose Bundle Small diameter (under 4Achieve an even lower retention on every grind with your Rancilio Rocky with this 3D printed flexible bellows, up to 0. 0g* (+ 0. 5g). It fits in between the stock hopper and stock lid and transforms it into a blower, enabling you to push all of those lingering grounds out. [Design Features] Simplicity and maximum effectiveness are my design goals, and both are carefully infused in our bellows' design. The bellows complements the grinder's original