20574 - 1/30 High Banked Curve Contents: 6 - 1/30 curves (6 pieces make a 180 curve) Track connection clips High banked supports Radius of Inside edge of track 7.88 in (20 cm) Radius of Outside edge of track 15.75 in (40 cm) Outside Diameter of curve track 31.25 in (79.4 cm) Can be used with the following systems : Evolution 1/32 Digital 132/124