Civia is introducing a new city bike this week at Interbike. The Twin City will be offered in either a step-through or diamond frame with either a single-speed hub or 7-speed internal gear hub. Standard features include upright bars, integrated rear rack, chain guard, and kickstand. Fenders are optional for an additional $45. Retail will be $795 for the 7-speed and $495 for the single-speed.