The superlight composite frame is handcrafted with race proven geometry and asymmetrical chainstays for optimal power transfer. The d fuse composite seatpost helps smooth out bumps and vibrations and you also have the option to use a 30.9mm round standard or dropper seatpost. The flat mount disc brakes and 12mm front and rear thru axles deliver total control and fast cornering sprinting and climbing in all conditions. Advanced composite technology giants high performance grade raw carbon material is used to produce this custom frame material in our own composite factory with a high stiffness to weight ratio. The front triangle of these framesets is assembled and molded as one continuous piece in a proprietary manufacturing process called modified monocoque construction. Compact road design introduced by giant with the professional team once in the 1990s compact road revolutionized the look and feel of high performance road bikes forever. A downward sloping toptube from the headtube to the seattube creates smaller front and rear triangles for a lighter stiffer bike. It also makes it easier for riders of all sizes to have a perfect fit. Overdrive 2 the most advanced steerer tube technology in todays giant bikes. Designed to offer unprecedented front end steering performance the systems oversized headset bearings 1 1 2rdquo lower 1 1 4rdquo upper and tapered steerer tube work in harmony to provide supreme steering stiffness. Colour gloss carbon smoke pyrite brown frame advanced grade composite 12mm thru axle disc fork advanced grade composite full composite overdrive 2 steerer disc seatpost giant d fuse slr composite 5 15mm offset bottom bracket n a extras headset and spacers axles giant 1x chainguide max tyre clerance 45mm weight the most accurate way to determine any bikes 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.as with any product specification is subject to change without prior notification. You are advised to confirm current specification before buying. Please note that this bike does not come with pedals. Every effort has been made to ensure accuracy throughout this website. However giant reserves the right to change bike specifications features prices and colours without prior notice.