Diamondback Bicycles 2014 Insight STI-8 Performance Hybrid Bike with 700c Wheels Butted 6061-T6 Aluminum Insight Performance Hybrid Frame Insight Integrated Alloy Aero Straight Blade Fork Single Gear Crankset with integrated Chainguard Shimano Nexus 8-spd with Nexus Twist Shifter Equation R23 Double Wall Alloy Rims