Diamondback Bicycles 2014 Insight 2 Performance Hybrid Bike with 700c Wheels Butted 6061-T6 Aluminum Insight Performance Hybrid Frame Insight Integrated Alloy Aero Straight Blade Fork Shimano Crankset w/Integrated Chainguard Shimano Acera Rear Derailleur matched with 8 speed Rapid-fire Shifters Equation Double Wall Alloy Rims