Michelin Pilot Street Radial Rear Tire (130/70R-17) The radial revolution that leads to a more enjoyable ride.At last, there is a radial structure for 250cc&#39;s and over which combines good overall performance with optimal handle-ability over time. It comes out top of its category for grip in the wet ensuring a safer ride and its sporty look is set to be a hit.Radial technology available for 250cc&#39;s and over:Radial architecture gives incomparable stability and handle-ability. The sidewalls and tread are independent and therefore have specific characteristics: The sidewalls are flexible and offer greater comfort at high speed by cushioning road surface deformation. The tread, which is in contact with the ground, enables the tire to grip the road. Its contact area is not as long as a bias tire but wider and offers greater grip when cornering sharply on bends.The best grip on wet roads in its category:The grip on wet roads has been recognized by the independent DEKRA Test Centre as being the best in