sizes:48- 50- 52- 52.8- 51-54 53 , 53.5 , 55, 58 . Machined from 304 stainless steel. 22mm risers... 20mm forward and up from the top of the mounting sleeve. 9 degree inclined bar angle. Approx 750 grams per pair.end plugs available seperatley. Very strong will bend in severe inpact but never snap , can be bent back into place without weakening , replacement bars available individually. M6 bosses can be welded into the end to take OEM end weights if requested at a cost of $20 extra.