The new AMA Pro Racing rules for the 2020 American Flat Track season have been released and, as we predicted in back in October, the Dunlop DT4 is the new spec tyre, ending an era of the Goodyear Eagle/Dunlop DT3 that has existed since the early 1970s. The most interesting element of the new rules I noticed was this passage. 'In 2020, use of wheel inner tubes is optional, however, it is strongly recommended the new DT4 tires (front and rear) be run tubeless. Testing has shown

POST UPDATED 14 Dec 2019 with official Dunlop photo. After 40 or more years on basically the same pattern Goodyear/Dunlop tyre is pro flat track ready to introduce a new tyre - the Dunlop DT4? This photo of a Yamaha 450, tested by JD Beach earlier this year, has been doing the rounds and we were pointed to it on flattrack.com on facebook. We've heard about a big Dunlop tyre test coming up in Florida and I haven't heard of specific tyre tests being talked about this way before

We thought the tyre doping book was closed after Jared Mees was found guilty of having a tyre that Dunlop concluded had been chemically altered, at Atlanta 2018 (see Mees Disqualified post), but it seems at least one rider thought it was worth a try. Californian Production Twins, Michael Inderbitzen #54, has been found quilty of racing with a non-compliant tyre at last month's Black Hills Half-Mile. See the screengrab above. He had his points deducted. It must make quite a di

For 2018 Bridgestone Moto is launching two new tyres : A41 adventure and T31 sports Touring. Bridgestone employed Ant Productions, who I had worked with before, to produce the photos, run the launch, everything. I was very lucky to take part of the Big Team for this event run by Ant Production. This is how it looked: - 60 bikes from all brands - Hundreds of grippy tyres - 250 journalists/dealers - 300km everyday (50km off road) - 1 international Super team ( Dutch, Belgium, G