VeloUK - Need new chain rings? ROTOR Bike Components NOQ (Round) ones - Lightweight/stiff alternative to Shimano Dura-Ace/Ultegra rings - Compatiable with new Rotor INspider power meter - 34T to 58T -
Rotor Q-Rings / noQ-Rings - Best of 2020 - world of mtb Magazin