One piece rotor featuring the tested and proven Catalyst brake ring. 6-bolt mount. 1.95 mm thickness. Can be used with adapter for Centerlock hubs. 140 and 160 mm are UCI approved. Rotor only bolts NOT included.
Best Price: £14.99 from Merlin Cycles
SwissStop Catalyst One 6-Bolt Disc Rotor – Silver / 140mm / 6 Bolt Reviews