2/30 High Bank Curve Will fit directly outside of a 1/30 high banked curve. Can be used on a 2, 4, 6 or 8 lane track. Contents: 6 - 2/30 curves (6 pieces make a 180 curve) Track connection clips High bank supports Radius of Inside edge of track 15.75 in (40 cm) Radius of Outside edge of track 23.62 in (60 cm) Outside diameter of curve track 45.5 in (115.57 cm) Can be used with the following systems : Evolution 1/32 Digital 132/124