Specs MaterialAluminium centre spacer and CNC caps / machined alloy cap / spacer with etched ECLAT detailing. Fits mid- or spanish sized bottom bracket SizeMid BB for 19 mm, 22mm or 24 mm spindle ColorsBlack, polished Featuresquality sealed bearings / supplied with 2 cone spacers, centre spacer(44mm or 50mm), 6x alloy washers Weight Mid 19 mm spindle 189 g (6.66oz) Mid 22 mm spindle 174 g (6.13oz) Mid 24 mm spindle 148 g (5.20oz)