Features of the Diamondback Century 4 Carbon Road Bike Affordable road bike with a cutting-edge carbon fiber frame and fork and reliable components Meticulous blend of carbon fibers and slightly relaxed Enhanced Performance Geometry that makes our Higher-end models ideal for anyone looking to log big miles Smart mix of affordable and functional components Are what made this model possible which includes a Shimano Tiagra 2+?10 drivetrain, Tektro disc brakes and HED Flanders C2+ wheelset Ready Ride bikes Are shipped 95 percent assembled Four-step assembly is reqiured Frame - Diamondback Carbon Monocoque Endurance Road Frame, Internal Cable Routing, 142x12mm Carbon Drop Outs, with Taper Headtube, Di2 Compatible Fork - DB Road Performance, Full Monocoque Carbon in. CFTin., 12mm Thru-axle Drop Outs, Flat Mount Disc Tabs, 1.5in. Tapered Steerer Tube Headset - FSA No.42, Sealed Cartridge Cranks - Shimano FC-RS400 Compact, 50/34T Bottom Bracket - Shimano OutBoard Bearing Front Derailleur - Shimano Tiagra FD-4700, 31.8mm Band Clamp Rear Derailleur - Shimano Tiagra RD-4700, 10 Speed Shifter - Shimano Tiagra ST-4700, Dual Control 2x10 Speed Cogset - Shimano HG500 Cassette, 10 Speed, 11-32T Chain - KMC X10, 10 Speed Front Hub - 24h Alloy, Sealed Cartridge, 12mm Thru-axle Rear Hub - 24h Alloy, Sealed Cartridge, 142x12mm Thru-axle, Cassette Spokes - 14g Stainless Steel Rims - HED Flanders C2+ Disc, 24h Tires - Diamondback Century Folding Bead, 700x28c Brakes - Tekro Lyra Flat Mount Disc, with 160mm Front / 140mm Rear Rotors Brake Levers - Shimano ST-4700 Pedals - Alloy Road Platform Handlebar - HED Tour Flat Top Drop Bar, 31.8 Bar Bore Grips - Diamondback Endurance Gel Tape Stem - HED Tour Stem, +/-7Adeg Rise, 31.8mm Bar Bore Seat - Diamondback Performance Road Seatpost - HED Tour, 27.2mm