Joined: Dec 2004
Posts: 12,559
Likes: 799
From: Middle of da Mitten
Bikes: Trek 7500, RANS V-Rex, Optima Baron, Velokraft NoCom, M-5 Carbon Highracer, Bacchetta Quattro, Catrike Speed
A USS LWB isn't going to need any super-tall gears, so gear it with sufficiently low gears and let the high gears select themselves. Anyway, a mid-drive won't get you any extra gears unless you make it shiftable, which introduces more complication. If you want extra gears, get a SRAM hub or a Schlumpf BB. Just my NSHO.