Hey there, The KTM RC 390 comes with a tyre size of 17 inches(110/70 ZR17 & 150/60 ZR17 for front and rear respectively.) In terms of choices, there are 13 tyre makers like Birla, MRF and CEAT that offers tyre options for the KTM RC 390 in India. Prices for KTM RC 390 tyres start at Rs. 1,600 and popular tyre models that fit are Apolli Alpha H1, Michelin PILOT STREET and CEAT Rad X1.