hi...bro i have been doing a lot of research on tires recently and in my experience upsizing the tyre is not a good idea at all unless u are ready to compromize a lot on performance,..instead get a tubeless 100/90-17 zapper q for the rear its the best when it comes to grip on dusty roads...and for the front go for the p220's front coz tht the best i have tasted so far,...nd get the setup tubeless so u can save time when ur bike gets punctured...!!