The easton ec90 sl carbon flat handlebar has been designed to give you the same width and sweep of a riser bar but without the taller front end the sl in the name stands for super lightweight and that39s exactly what this flat bar is the monkey lite bar redefined the mountain biking world39s perception on handlebars and the ec90 sl is the most up to date model which is lighter stiffer and stronger than ever the handlebar has been constructed from a unidirectional ec90 carbon fi