Refurbished reasons: The item has been used and repaired. The bottom bracket has been replaced with a CEMA T47A, Shimano-compatible, ceramic bearings.Main SpecsFrame: Cervélo All-CarbonFork: Cervélo All-Carbon, Tapered ForkGroupsetDerailleur: Shimano Grx Rx820Rear Derailleur: Shimano Grx Rx820, 12SShifters: Shimano Grx Rx610, 2X12SCranks: Shimano Grx 610 46/30T, 12SCassette: Shimano Hg710 11-36, 12SFront Brake: Shimano Grx Rx610Rear Brake: Shimano Grx Rx610Chain: Shimano M7100, 12SBottom Bracket: CEMA T47A, Shimano-compatible, ceramic bearingsWheelsRims: Alexrims Boondocks-7D, 28H (F), 28H (R), 23Mm Iw, 6-Bolt, TlrTires: Wtb Vulpine Tcs Light Dna 60Tpi 700X40CComponentsHandlebar: Zipp Service Course 70 Xplr Alloy, 5 Degree Flare, 11 Degree OutsweepStem: Cervélo St36 AlloySaddle: Cervélo SaddleSeatpost: Cervélo Alloy 27.2 15Mm Offset