Monoprice Carbon Handlebars with Internal Routing, 440mm Width Lightweight: The carbon-fiber construction results in a handlebar that weighs in at under 250 grams, which will have you flirting with the UCI weight limit Internal Routing: The easy-feed, guttered internal routing system allows you to keep the cables out of sight and out of the windstream Aero Design: The aerodynamic design reduces drag and combines with the internal cable routing to help you go faster with less effort Ergonomics: The ergonomic design allows you to easily find a comfortable position, reducing shoulder strain and overall fatigue Stiffer | Lighter | More Durable