Rotor NoQ Chainrings fulfil the demands of the world’s leading professionals. These ultra stiff, “sprint specification” chainrings were designed according to the requirements some of the world’s most powerful professional cyclists and have shown themselves resilient in the toughest of racing situations. Ultra stiff “Sprint” design ensures high crossover and rigidity shifting accuracy. It is strongly recommended that the use of chains with squared profile links (like Wipperman) be avoided. 5x110BCD Fitment Sold as a Single Ring, Inner ring sold seperately. Rotor NoQ Chainrings Features Weight: Approx. 197g  Black anodized and lasered aluminium Lathe and CNC T6 heat treated 7075 Aluminium Lathe turned hardened steel shifting pins. Trussed aero design. NoQ Chainrings are compatible with all 10 and 11 speed drivetrains Ultra-stiff for sprinters, yet light enough for climbers