Likely to the be as resounding a success as the Trailraker PR&44; puncture resistant Razers use Panaracer&8217;s Bax advanced extra casing. This is extremely narrow 0.14mm diameter cord weaved at a super high density throughout the tyre. This improves resistance to cuts & abrasions by 50% with only a minimal weight increase for these fast tyres.490g approx