Rancilio MD-40 Grind Adjustment Collar common-u Fits: one and two group

Fits: one and two group commercial espresso machines using the standard clamp-flange Rotoflow pump

paddle group

Empowers baristas with direct control over extraction

Fits: Mazzer espresso grinders

Rancilio MD-40 Grind Adjustment Collar common-u Fits: one and two groupRancilio MD 40 Grind Adjustment Collar This collar adjusts grind size on the Rancilio MD 40 grinder. This is a special order item shipped directly from the manufacturer separately from the rest of your order: in stock units ship fast, while out of stock units typically require 1 2 weeks for processing before shipping. SPECIFICATIONS: Dimensions: 117. 5mm OD x 57mm ID COMPATIBILITY: Fits: Rancilio MD 40 grinder Replaces: OEM MD 40 grind adjustment