These bikes are designed for casual fitness rides and short distance commuting. Frames are built from lightweight Series 1 aluminum alloy, with CrMo or aluminum forks. Whether it be meandering on a bike path, or a short commute to work, these models feature rack and fender mounts, and puncture resistant tires to keep up with your adventure. City + Sport Geometry places riders in a neutral, relaxed and upright position for comfortable and safe riding. The Larkspur CS2 is a comfortable commuter bike from Marin that features an easily adjustable stem with added angle adjustment to zero in on comfort and the perfect riding position. The average retail of this bike is $450