Get the 14, 18 will definitely be an overkill. If you were 50 pounds heavier or rode a lot harder, then you might be able to justify the 18. Don't get the 18 because you can tell everyone you have an 18 din binding.
"If you don't make it, It's your own damn vault"
"cuz too many people were coming up short and breaking their ankles...
if only they could have practiced their cork nines in trampoline mode first..." -juicedrummer11
"Bedsheets, Who invited that kid"- toy story
"No Patrick, Mayonaise is not an instrument"- Squidward