suspension fork

Hey peoples! I'm planning a new build and have a few questions. 1. I'm ~300lbs. With a 79cc preddy and a SBP shift kit, about what kind of hill climbing/top speed can I expect? 2. I love the look of the Micargi Huntington frame, but it's got a 1" fork tube (what's that part called BTW?). I'd...

So, I've been in the process of a mental construction of my first build. I'm ordering a 80cc (68cc) Skyhawk engine kit from Spooky Tooth Cycles tonight. Then I'll be in search of the ideal bike. I'm really drawn to the idea of a old Schwinn, but then installing a suspension fork with disk...