This is exactly what is included in the kit:-
2 x AHA7373 - 8TPI Eared Spinner - Right
2 x AHA7374 - 8TPI Eared Spinner - Left
1 x RCK100 - Wire Wheel Rear Conversion Hub - Pair
1 x BTB730 - Wire Wheel Front Hub - Right
1 x BTB731 - Wire Wheel Front Hub - Left
2 x BTC392 - Hub Greasecap
1 x C27290 - Copper/Hide Hammer