By b.bruggeman, 18 July, 2010 I dont know what I should get for a new bike i am 5'10 and I dont know what bike I should get either a crf450r or crf250r. I want a bike that has a lot of power and i can have for a long time what bike should I get? what is your experience? i what is your experience? i wouldnt recomend a 450 to someone with little experiance. Well I think im a pretty good Well I think im a pretty good rider i ride in the Little Sahara Desert in Oklahoma and i go trail riding alot and I race on my friends track which is pretty good motocross track. I have been riding for 4 years. crf450r Man i think your ready for the big 450 if money isnt a factor for your size i think you could be able to handle the crf450r.