I have an 03 Ironhorse SGS sport and would like a longer travel shock to increase travel and make the head angle a little steeper. Are the SGS expert frames and sport frames identical except for the rear shock? I installed a shock that is slightly shorter than the stock shock, and I also have a junior T so my head angle is a little too slack for my tastes. Can I install a shock with the same dimensions as on the expert and get 7 inches of travel? Thank you!