Frame Sizes XS (43cm), S (46.5cm), M (50cm), ML (53.5cm), L (55.5cm), XL (58.5cm) Colors Black / White / Blue Frame AluxX SL aluminium, Fluid FormedTM Fork Advanced-Grade, Alloy OverDrive Steerer Shock N / A Components Handlebar Giant Connect Stem Giant Sport Seatpost Giant Sport Saddle Giant Defy Pedals Wellgo Caged w/ Clips Drivetrain Shifters Shimano Sora 18 speed Front Derailleur Shimano Sora Rear Derailleur Shimano Sora Brakes Tektro TK-R 340 Brake Levers Shimano Sora Cassette Shimano HG50 12-25 Chain KMC HG73 Crankset Shimano Sora 34/50 Bottom Bracket Shimano Sora External Wheels Rims Giant S-R 2 DW aluminium Hubs Shimano 2200 rear/Formula front Spokes Stainless Steel Tires Giant P-R3 Flatguard 700x25mm front/rear specific compound