The deda m35 handlebar has an oversized 35mm diameter making it stiffer stronger and more comfortable the larger diameter not only vastly increases the stiffness of the bar making it ideal for stronger riders it also reduces vibrations felt through the bar for a more comfortable ride these handlebars also use dedas excellent rhm rapid hand movement design which combines a short reach and drop to help you move around the bars easily and stay comfortable whether youre racing or riding wit