Surly Truck Stop Drop Handlebar Keep on Truckin'Featuring a lightweight aluminum construction, the Surly Truck Stop Drop Handlebar is ready for whichever type of riding you want to get into. The bar offers multiple hand positions and 30mm of rise, which will put you in a nice, comfortable upright position. The three different width options will give all riders an option that is comfortable for their shoulder width. Features30mm of rise is great for tall riders or for those of us who accidentally cut steer tubes too short12 degrees of drop flare make the bars great for any adventure Made from aluminum for a lightweight and durable setup SPECIFICATIONSMaterial Aluminum Bar Clamp Diameter31. 8mm Width42, 45, 48, 51, 54cm Rise30 mm Drop99 mm (129 mm from the top of the bar)Reach78 mm Drop Flare12 degrees Weight N/A | Surly | Truck Stop Drop Handlebar | Black | 45Cm, 31. 8, Aluminum