Its the frame of choice for Team Giant-Alpecin sprinters & breakaway artists. They know it gives them an edge because its been proven through third party aerodynamic testing. Engineered & developed with Aero System shaping technology which means every tube shape & angle is optimised for minimal drag the Advanced SL-grade composite frame is stiff & efficient yet still superlight. Best of all it saves you 12-36 seconds over a distance of 40km at a speed of 40kph compared to key competitors. With proven technologies including the Speed Control SL brake system an integrated vector seatpost & internal cable routing its the bike you choose when every second counts. Frame: Advanced SL-Grade Composite Integrated Seatpost Electronic Ready Fork: Advanced SL-Grade Composite Full-Composite Over Drive 2 Steerer Drivetrain: SRAM Red E-Tap with Blips 22 speed Brakes: Giant Speed Control SL Wheels: Giant SLR 0 Aero Wheel System Frame Size MColours Carbon/ Blue/ Grey Frame Advanced SL-Grade composite Integrated Seatpost Electronic Ready Fork Advanced SL-Grade Composite Full-Composite Over Drive 2 Steerer Components Handlebar Giant Contact SLR Aero Integrated Stem Giant Contact SLR Aero Integrated Seatpost N/ASaddle Giant Contact SLR Forward Pedals N/ADrivetrain Shifters SRAM RED E-Tap with Blips Front Derailleur SRAM Red E-Tap Rear Derailleur SRAM Red E-Tap Brakes Giant Speed Control SLBrake Levers SRAM Red E-Tap Cassette SRAM XG1190 11x 28 Chain SRAM Red Crankset SRAM Red 36/52 Bottom Bracket SRAM GXP press fit Wheels Rims Giant SLR 0 Aero Wheelsystem Hubs Giant SLR 0 Aero Wheelsystem Spokes Giant SLR 0 Aero Wheelsystem Tyres Giant Gavia SLR Tubeless 700x 25mm Folding Other Extras Ride Sense Blue Tooth/ANT+ tubeless sealant Garmin mount Note: this bike doesnt come with manuals pedals or reflectors.