Dura Ace 7900 Time Trial Brake Lever The Shimano 7900 Time Trial Brake lever sports a lightweight carbon fiber blade. Designed to be installed at the end of you time trial bars, this lever will work on the left or the right. They are not sold in pairs so grab two if installing a front and rear caliper. Reach is adjustable. Cable pull is specific to Dura Ace 7900 series brake calipers. Features: 43 Grams Carbon Fiber Lever Aluminum Hardware Adjustable Reach 3 year Warranty Includes one lever | Shimano Dura-Ace Bl-Tt79 Brake Lever Carbon, Single, Right or Left