TWO PIECES TUBELLESS RIMS AS HUB SYST. A1 = WIDTH A2 = DIAMETER D1 = CENTER HOLE DIAMETER D2 = BOLT AXIAL PITCH D3 = BOLT DIAMETER 4.00 X 8 JANT 5.50 X 8 JANT 3.50 X 10 JANT 6.00 X 10 JANT 7.00 X 12 JANT