now the front

[cabex]

so if i get 18s in the back of my Z400. what size would be the best for the front? 21?

[Team Outlaw #34]

19 or 20....i have 21 with my 18 inch rears it works OK the only reason i have 21 inch fronts is because i use them for trails too with my 20 inch rears....

andy