The mk4 pedal keeps the best features of the mk3oversized platform1mm dishincredible gripeasy to remove pinsbut it sees improvements inweight steel axle 440g and ti axle 370gdouble bush single bearing internals16mm slimline profilespecificationcolours burgtec black race red deep blue goldweight steel axle 440g titanium axle 370g16mm profile1mm disheasy to remove pinssteel pinsnew double bush single bearing internalsprice steel axle 9999 titanium axle 14999