Shinko SR880/SR881 Tire NLA your OEM blow off valve

your OEM blow off valve is the likely culprit

Meets and exceeds DOT & ECE 2205 safety certification standards

Direct ventilation with YKK Aquaguard Zippers

integrated safety features

It's 250 times stronger than glass and 25 times stronger than acrylic

Shinko SR880/SR881 Tire NLA your OEM blow off valveFeatures: All weather tread design, works well in wet and dry road conditions Intermediate compound offers good traction and tire life Aramid belted DOT approved Sizes for CBR 250 300, Ninja 300, R3, KTM 390 Radial construction Tubeless SR880: Front tire SR881: Rear tire V rated for speeds up to 240 km h W rated for speeds up to 270 km h