K2 Mainframe 5.0 Bike - 2008

Finally, the Mainframe 5.0, a carbon road bike that balances fit, form and function, the K2 bike way. Proprietary carbon fiber monocoque frame is sleek, sweet and of course, lightweight and strong! Fast, smooth and utterly dependable, Shimano 105 shifters, brakes, brake levers and front derailleur send up pure road-riding pleasure. Shimano 105 crankset includes two chainrings of 34 and 50 teeth, great for burning up the flats and cruising up the hills for all-round performance. New Shimano WH-RS10 wheelset and Continental Ultra Race 700x25 tires deliver nimble responsiveness in turns. 105 dual-pivot brakes provide natural, controlled deceleration. Selle Marco Ponza Lux saddle provides both support and cushion for long training rides. All in all, at under two grand, the K2 Mainframe 5.0 is a road-rider's dream—you have to get this bike!