(1) 77410031 BEARING (2) 77410030 RETAINERS KIT 2 WHEELED FITS VELKE X2 MODEL

WILL NOT WORKING ON THE 1 WHEEL VELKE SYSTEM. ONE ROLLER BEARING REPLACES PART NUMBERS 77410031 AND VKXRLBRG. WHEEL BEARING ASSEMBLY KIT FOR THE 2 WHEEL VELKE SYSTEM TIRE SIZE 9X3.5-4. WILL NOT WORKING ON THE 1 WHEEL VELKE SYSTEM.ONE ROLLER BEARING REPLACES PART NUMBERS 77410031 AND VKXRLBRG.