Bike Reviews

The Mainframe 6.0 features a full-carbon monocoque fork that reduces wieght and damps more vibration. The innovative SRAM Rival group, with carbon crank, dramatically reduces bike weight and increases performance.

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The Mainframe 5.0 road bike balances fit, form and function the K2 Bike way. Featuring a proprietary monocoque 3K carbon frame, this machine is tuned for a smooth ride.

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