Pad movement controlled by Diaphragm Seal Seal design ensures unsurpassed pad retraction of 0.7mm! Ultra-thin caliper just 25mm!
Advantages:
Simplified manufacturing processes ensures cost advantage Seal design gives equivalent area to using 20mm piston Fluid feed directly to centre of Diaphragm seal for better response Ultra thin caliper section ensures min. weight
Pad movement controlled by Diaphragm Seal 
