Go to Cerulean City
Enter the Bike Shop
Talk to the shop owner
Get the Bike Voucher from the Pokémon Fan Club in Vermilion City
Return the Bike Voucher to the Bike Shop owner
Receive the Bicycle
Open your Bag and register the Bicycle if needed
Go to Cerulean City
Enter the Bike Shop
Talk to the shop owner
Get the Bike Voucher from the Pokémon Fan Club in Vermilion City
Return the Bike Voucher to the Bike Shop owner
Receive the Bicycle
Open your Bag and register the Bicycle if needed