THE NEW EPB SYSTEM. The low cost solution. VP’s new EPB (economic polymer bearing) System replaces loose ball bearings with specially engineered polymer bearings. This system allows VP to create a more simple, thinner, and lighter pedal for entry level applications. VP pioneered the use of polymer bearings many years ago and now the same proven high-end technology is available as a cost-reducing OEM solution. VP EPB Advantages:Reduced cost due to all in-house production and automatic assembly,Reduced weight,Thinner bodies,Fewer moving parts,Adjustable bearing pre-load,Easily serviced . MTB / Trekking use,One-piece aluminium,EPB System,Size 95mm x 66mm,Weight: 290g per pair .