The superstar disc carbon innovation in its finest form frame in high modulus monocoque carbon fibre with flat mount disc brake setup and 12mm through axle added rear clearance allows tyres up to 28mm and discs up to 160mm the superstar features the new columbus futura disc fork 1 18rdquo ndash 1 12rdquo equipped with through axle for maximum control and ride shimano ultegra drivetrain light action vivid shifting is just one of many features taken from shimanorsquos top end group