These are the Velocity VTR 4.0" White Front or Rear Zero Offset Wheels from Pro-Line. Forward thinking 1:8 buggy style mounting beads for increased bonding strength Textured bonding surfaces with molded in glue channels Molded from premium impact modified nylons Extremely durable yet light weight design White in color Four Velocity VTR 4.0" White Zero Offset Wheels Pro-Line VTR Tires Tire Glue DTXR2000, DTXR2002 Outer Diameter: 4.13" (105mm) Width: 2.27" (58mm) Mounting Bead: 3.97" (101mm) Weight: 55.3g (2oz) Also available in Yellow (PROC2800) cnh 6/29/09 &