Diamondback 2012 Insight 1 Performance Hybrid Bike (Black) Butted 6061-T6 Aluminum Insight Performance Hybrid Frame Insight Integrated Hi Ten Ferrous Aero Straight Blade Fork Shimano Crankset w/ Integrated Chainguard Shimano Altus Rear Derailleur / 7-spd EF-50 Shifters Equation Double Wall Alloy Rims