I am 5'10" and weigh 155. I like doing...
I am 5'10" and weigh 155. I like doing park but also like bombing hills. Is gnu rider's choice 151.5cm would be long enough for me to have stability when I am going fast?
151.5 would be a perfect length for park riding for you. However, it is certainly on the short side for your all-mountain riding. I don't think you'll notice the length at high speeds so much as you will in deeper snow and landing big airs. So if those two things aren't too big of a concern for your area/riding style, the 151.5 will be a super fun length for you.
I was choosing between t.rice 153 or rider's choice 151.5 and only thing that made me stay away from rider's choice was high speed stability. So I can still go pre fast with rider's choice like t.rice pro?