Frame Sizes S (46.5cm), M (50cm), ML (53.5cm), L (55.5cm), XL (58.5cm) Colors White / Black / Yellow / Silver Frame AluxX SL aluminium, Fluid FormedTM Fork Advanced-Grade, Alloy OverDrive Steerer Shock N / A Components Handlebar Giant Connect Stem Giant Connect Seatpost Giant Connect SL Composite Saddle Giant Defy Pedals Wellgo Caged w/ Clips Drivetrain Shifters Shimano Tiagra 18 speed Front Derailleur Shimano Tiagra Rear Derailleur Shimano Tiagra Brakes Shimano Sora Brake Levers Shimano Tiagra Cassette Shimano HG50 12-25 Chain Shimano HG-73 Crankset Shimano Tiagra 34/50 Bottom Bracket Shimano Tiagra External Wheels Rims Giant S-R 2 DW aluminium Hubs Shimano Tiagra Spokes Stainless Steel Tires Giant P-R3 Flatguard 700x25mm front/rear specific compound