Actually my wife says the whizz wheel is for SADO's
Speed And Distance Outside - Geddit !
At least I think that is what she meant..........
seriously though, it's accuracy that counts when you use the wheel in the exam - and stik is a hard taskmaster in that area.
Was good to meet you the other day at Priory Farm - If you're around another time I'll give you a scoot in the Cub - so you can see the difference between them and the trikes at Old Buck !
enjoy.
Arc