Home Products Chainring parts P/No:LS-99 OV CNC: Road Oval Chainring LS-99 OV CNC P/No:LS-99 OV CNC: Road Oval Chainring Road Oval ChainringP/N: LS-99 OV CNCProduction: By CNCBCD: 110mmChainring: 53/39T, 50/34T 580569