Main SpecsFrame: Specialized A1 Premium Aluminum, Fitness Geometry, butted tubing, internal cable routing, flat-mount disc, quick-release, Plug + Play rack/fender mountsFork: A1 Premium Aluminum, flat-mount disc, Plug + Play fender mounts, low rider rack mounts, quick-releaseGroupsetDerailleur: Shimano Tiagra FD-4700, Band-clampRear Derailleur: Shimano Tiagra, 10-speedShifters: Shimano Tiagra, 10-speed w/ Optical Gear DisplayCranks: Forged aluminum arms, 2-piece, 24mm spindle, steel chainringsChainrings: 48/32 w/ chainguardCassette: Shimano Tiagra, 10-speed, 11-34tFront Brake: Tektro HD-R280, hydraulic disc, resin pads, flat-mount, 160mmRear Brake: Tektro HD-R280, hydraulic disc, resin pads, flat-mount, 140mmChain: KMC, X10, EPT anti-corrosion coating, 10-speed w/ Missing Link™Bottom Bracket: BSA for 24mm spindleWheelsRims: 700C disc brake, double-wall alloy, 22mm depth, 21mm internal widthTires: Nimbus II Sport Reflect, 700x38mmComponentsHandlebar: Double-butted alloy, 9-degree backsweep, 31.8mmStem: 3D-forged alloy, 31.8mm, 7-degree riseSaddle: Bridge Sport, Steel rails, 155/143mmSeatpost: Alloy, 12mm offset, 2-bolt clamp, 27.2mmPedals: Specialized Body Geometry Fitness, platform, plastic