Description Seat for Matrix upright cycle u3x, u5x with fixing housing. This is the new version with reinforced nose of seat. Length: 11 1/2″ – 292mm Width: 13″ – 330mm Matrix Bikes U5x U5x-05, PCB92-US-F and EP612, 2014 Matrix Bikes U3x U3x, EP603 and PCB92-US-F, 2014
