AFT Sets New Spec Tyre
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