Product details:
Formula disc rotor ensures lightweight while its design helps keep dirt and grime from mucking up your ride. The increased lateral stiffness reduces noise vibration. Features 6 bolts / Centerlock compatibility. Real weight (6 bolts) 90 g (140 mm), 108 g (160 mm), 136 g (180 mm), 173 g (203 mm). Real weight (centerlock) 125 g (180 mm), 108 g (160 mm). 6 fixing bolts included.