Ibertren - Same as Minitrix - N Scale Track Sections, Points, Curves, Straights.
900 - 104.2 mm straight - Minitrix part # 14904. 901 - 54.2 mm straight - Minitrix part # 14906. 902 - 27.9 mm straight - Minitrix part # 14908. 917 - 50 mm straight - Minitrix part # 14907. 918 - 33.6 mm straight - Minitrix part # 14909.