The Laterelle City-Cush model is ideal for a city and commuter bike comfort , hybrid average physique ,touring bike comfort , comfort bike average physique , juvenile comfort , or exercise bike average physique Laterelle's patented ergo-beam fits naturally between the buttocks to hold the rider in a constant position, eliminating sideways movement of the hips that causes chafing and back pain. There is no contact AT ALL with the rider's central crotch area, removing all the unhealthy pressure and discomfort suffered with rounded, pear-shaped 'saddles'. Four dimensions of lateral support Flat rear section for anatomically correct support The patented ergo-beam means no chafing and no back pain Cutaway mid-section No pressure due to the lowered pommel