The 75 chainwheel is as its name suggests, a good compliment to the 75 series cranks, and are NJS approved. They sit below the Zen range, most obviously looking more skeletal than does than the dinnerplate like Zen. Nonetheless the more classic look is good on the street and, arguably, ultimate stiffness is less important than low weight when it comes to riding on the street. Of course being Sugino it is a hard wearing grade of aluminium with anodised treatment and sophisticated tooth profile.
Only one left! 53t.