Trek Pilot 2.1 Road Bike Small /Medium frame (51cm), aluminum and carbon ( carbon front fork, rear stays and seat post) Ultegra and Shimano 105 gearing, 10 speed cassette, triple crank (50/39/30 teeth) Shimano dual pedals for cleats or shoes. New WTB Koda unisex seat. Newer rims ( Shimano 500), Schwalbe 700 X 28 puncture resistant, touring tires. Cane Creek rim brakes, fenders, computer. Good condition, always cared for and stored indoors.