Features: For carving tight, quick turns while maintaining a stable geometry. Maintain stability at higher speeds, through turns and while pushing. 50º Base plates are designed for boards with longer wheel bases. 42º Base plates are designed for downhill use. Randal RII geometry allows for adjusting caster angle by flipping the hanger. Base plates and hangers interchangeable with the Randal System. Virgin grade aluminum. Grade 8 'cast in' axle. Hanger width is 180mm, axle width is 245mm. Lightweight hanger design. Grade 8 king pin. Lifetime Guarantee. Made in the USA.