Sizes      XS, S, M, L Colours Gloss Carbon Smoke / Chameleon Nova (Carbon 'Smoke' paint finish = semiopaque coating for subtler carbon detail) Frame   Advanced-Grade Composite, disc Fork       Advanced-Grade Composite, full-composite OverDrive 2 steerer, disc Shock    N/A Handlebar          Giant Contact SL Stem     Giant Contact SL Seatpost             Giant Variant, composite Saddle  Liv Contact SL (forward) Pedals  N/A Shifters Shimano Ultegra Front Derailleur                Shimano Ultegra Rear Derailleur Shimano Ultegra Brakes  Shimano Ultegra hydraulic disc Brake Levers      Shimano Ultegra hydraulic Cassette              Shimano Ultegra, 11x30 Chain    KMC X11SL-1 Crankset             Shimano Ultegra, 36/52,Giant Power Pro power meter Bottom Bracket Shimano, press fit Rims      Giant SLR 1 Disc 30 Composite WheelSystem Hubs     Giant SLR 1 Disc 30 WheelSystem Spokes Giant SLR 1 Disc 30 WheelSystem Tires      Giant Gavia Course AC 1, 700x25, tubeless Extras   RideSense Bluetooth Weight The most accurate way to determine any bike’s weight is to have your local dealer weigh it for you. Many brands strive to list the lowest possible weight, but in reality weight can vary based on size, finish, hardware and accessories. All our bikes are designed for best-in-class weight and ride quality.