... disc 2. stainless scooter brake disc/ brake disc accessories/ motorcycle partsbrake disc:1) ... holes in cirum:Φ74mm 5)Dia.of hole:Φ8.5mm 6)Height:14.5mm 8)Brakeing effective radius:R103mmDetailed models ... for YAMAHATB50,AG50,FR80,K90,A100,FR50,AX100 for Suzuki Scooter carburetors: GY6-150,FY6-90,GY6-50,GY6-60, ... , 50cc….Gasoline carburetors:168F,188, ET950,ET650…Chainsaw caburetors,,,, scooter brake disc