Felt 6 Z Series Carbon Road Bike (2012) Shimano Tiagra Groupset 56cm
Shifters: Shimano Tiagra STI levers/shifters. Rear Derailleur: Shimano Tiagra. Front Derailleur: Shimano Tiagra. Seat tube length (top of seat tube to centre of crank): 56cm. Top tube length (centre to centre): 56cm.