The Shred has a 38T chainring and 12T smallest cog. The 700's top gear is much higher with a 45T chainring and 11T smallest cog so you won't have to spin the pedals so fast at high speed. I have a Ride1Up 700 and really like the power based vs. speed based PAS and the adjustable range and custom adjustment of power for each individual assist level as I like to get good exercise without the bike providing too much power. The Shred wouldn't have even made it into my list for consideration. I haven't had to deal with Ride1Up support since my bike works great to this point, but I see a lot of positive comments about their support as well as a few negative ones. Some of the Ride1Up folks participate in the Ride1Up owners group on FB, even here occasionally. Some people don't like torque sensors, and Ride1Up is actually dropping it from the LMT'D, although they may bring it back next year. I would like one if it was part of a well tuned system with smooth fast response without hesitation, like a mid-drive Bosch, Yamaha, or Brose, although the Brose motors concern me. The 700 tires seem fairly wide at 2.4" on wider rims. That's one reason I chose it over some bikes that are in the 1.95" to 2.2" range. One person who saw me with my bike actually thought they were fat tires when viewing from 30 feet or so away. But, I feel fat tires are just way too big.