The Trek Skye SL Disc 2010 Mountain Bike comes with and Alpha aluminum frame, with forged dropouts and a monostay seatstay. It uses Shimano 416 mechanical disc brakes, ensuring maximum stopping power. The drivetrain is powered by Shimano as well. The seatpost, saddle, handlebars, stem, and tires are all made by Bontrager. The Trek Skye SL Disc 2010 Mountain Bike has a retail price tag of $639.99.