Whoosh!

http://ozreport.com/1302007569

http://estore.hanglide.com/Wheels_Bolt_on_Wheels_for_WW_Carbon_Fibre_p/2-wwcarbonwheels.htm

http://dynamicflight.com.au/wheels.html

http://www.blueskyhg.com/products.aspx?Prod=5&Manu=20

The only style I have in stock at this time fit the WW style slipstream base
tube.

The links above also take you to other types of wheels for other
types of control bars.