im purchasing a new bike for street parks and dirt jumping and i have two options. the kona shonky for 900$ or the rocky mountain flow 2 for 900$. both are newer frames (2011 or 2012) and both have hydro breaks and 26" tires as well as the same warranties.. im slightly taller and heavier at 6'2" @ 260lbs. what would the best frame for me be. im leaning towards the flow because of its boxed tube style frame and looks stronger. the shonky i was looking at looked way thinner then the flow 2 but im still not sure what one is the best.
Raleigh Grand Prix, Giant Innova, Nishiki Sebring, Trek 7.5FX
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The Kona Shonky is made of chromoly steel while the Rocky Mountain Flow1 is made of aluminum.
Aluminum can be designed and constructed to be a very strong bicycle frame material. Many BMX cyclists who race, actually prefer aluminum frames over chromoly steel frames. However, most BMXers who do many tricks and jumps, realize the abuse and punishment that they'll subject their BMX bicycle frames to, and the overwhelming majority of them would much prefer the natural genuine strength of a chromoly framed bicycle.