FSA Orbit C-33 Bearing 1-1/4" Diameter 45x45° Contact Angle Headset Lower Bearing – Steel CheckoutSpec= Slick Galvanized Steel Double or Triple Double Drivetrain MFPN=6460626 Tested to FL1 standards Length:125Mm 5310151

FSA Orbit C 33 Bearing 1 1 4" Diameter 45x45° Contact Angle Headset Lower Bearing – Steel CheckoutSpec= Slick Galvanized Steel Double or Triple Double Drivetrain MFPN=6460626 Tested to FL1 standards Length:125Mm 5310151 Double or Triple Double Drivetrain Speeds 12 Derailleur Capacity 16 Front Derailleur Clamp Braze on Front Derailleur Cable Pull Bottom Pull Front Der Shifter Compatibility Campy Centaur Potenza Chorus Record Super Record 2015+ Max Ring (teeth) 52 Front Derailleur Style Traditional And just like T Type the derailleur and cassette are designed to work in lockstep using Cassette Mapping to deliver constant chain engagement for uninterrupted power transfer