Scroll down to see a table with the Item codes matched with the Item descriptors. Also, in the main photos are images of Hope's own conversion reference table. Pro 5 6 Bolt Rear Conversion Kit - X12 (Converts 135mm hub to 142x12mm, 150mm hub to 157x12mm, 170mm hub to 177x12mm and 190mm hub to 197x12mm.).
