You'll never find the exact 'blue striped' one ... but a /6 or /7 spoked wheel can be had all day long on fleabay. IMO, buy a cheap straight one ... and when you get it, immediately swap out the bearings. Should last you a lifetime.
'85 R80RT G/Sified
<|> '91 R100GS Bumblebee <|> '73 R75/5 Blue Meany
Airhead Zen: Ride - Repair - Ride - Maintain - Ride - Repeat