Looks like sport bike sizes. Good deal. Thought I would share. Use your judgement but the link came from a reliable source.
https://www.motosport.com/Kenda-KM1...source=AL&utm_medium=Affiliates&commsource=al
https://www.motosport.com/Kenda-KM1...source=AL&utm_medium=Affiliates&commsource=al