The GT 30 is a distinct article. It costs the exact same because the GR 75 but it's minus usual personal coach programs plus the Goal Pacer function. Its biggest claim they can fame is that's rrs known for a Step-In style to permit simple access on and off the bike, but the GR 80 also comprises of extremely comparable layout. If you have only acquired $150 to spend, get the GR75 and neglect on the