Diamondback Insight RS Performance Hybrid Bike (700c Wheels) Heat-Treated / Butted Aluminum Frame w/ Formed / Hooded Top Tube, Integrated Head Tube, DB Snake Stays, Replaceable Derailleur Hanger Comes complete with Racks and Fenders, ready for the commute right out of the box! Insight Integrated Aluminum Straight Blade Performance Hybrid Fork Suntour NEX Crankset w/ Sealed Bottom Bracket Shimano 8-spd EF-50 Shifters & Shimano Altus Rear Derailleur