This fits onto a larger shaft diameter of 20mm.
Units with the upgraded transfer case assembly will have serial numbers of U502050 � Above and R502050 � Above. If your serial number is prior to those listed, you will be required to make the upgrade of the transfer case assembly when replacing any of its parts.
Comments about Bearing For 9.5" Pulley On Transfer Assembly:
This clutch bearing replaced my old part exactly on my Cybex bike and instantly cured the slippage problem I was having. Simply pressed out the old and pressed in the new one in a vice with a couple of appropriately sized sockets.