This is exactly what is included in the kit:-
2 x 88G606 - 8TPI Knock-On Octagonal Spinner - Right
2 x 88G607 - 8TPI Knock-On Octagnoal 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 AHH5839 - Octagonal Spanner