the guy on the SD rides like cavham the guy on the Touno is shiting him self ,thay are rearly peeky ,and on tihgt twistys like that on a touno you rearly have to comit your self he is up and down the box to much he shoud have just yousd 2nd and therd to the limmiter , but at the same time the SD is just so much more nimmbule on roads like that ,11 kg lighter and makes peek pawer a lot lower doun than the Touno , horses for corses the Touno wood eat the SD on a track , but the SD is king on the road , and I love it .