100 Series Alpha Aluminum, fender mounts, DuoTrap S compatible, rim brake, 130x5mm QR Frame fit Endurance Weight Weight 56 - 9.57 kg / 21.09 lbs Weight limit This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 275 pounds (125 kg). Drivetrain *Shifter Shimano Claris ST-R2000-R, 8 speed, right Front derailleur Shimano Claris R2000, FD-R2000, 8-speed, 31.8mm clamp Rear derailleur Shimano Claris RD-R2000, long cage, 34T max cog *Crank Shimano RS200, 50/34 (compact), 175mm length Bottom bracket Shimano UN30, 68mm, threaded cartridge, 110mm spindle Cassette Shimano HG31, CS-HG31, 11-32, 8 speed Chain Shimano Sora HG71, 8 speed Pedal Wellgo R199, nylon body, alloy cage Max chainring size 1x: 42T, 2x: 50/34 Wheels Hub front Formula TK-31 alloy, 5x100mm QR Skewer front Formula QR22 Hub rear Formula TK-32 alloy, Shimano 8/9/10 freehub, 5x130mm QR Rim Bontrager Tubeless Ready, 24-hole, 17mm width, Presta valve Tire Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700x28mm Max tire size 28mm without fenders, 25mm with fenders Components *Saddle Bontrager Verse Comp, steel rails, 145mm width *Seatpost Bontrager alloy, 27.2mm, 12mm offset, 330mm length *Handlebar Bontrager Comp VR-C, alloy, 31.8mm, 100mm reach, 124mm drop, 44cm width Handlebar tape Bontrager Gel Cork tape *Stem Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 100mm length Headset FSA Integrated, sealed cartridge bearing, 1-1/8'' Brake Alloy dual-pivot by $800 obo bought & used once sent it in for a tune up before getting up for sale.