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Zipp Super-9 TT Disc Wheel Goes Faster with New Lighter, Wider, Hookless Tubeless Tech
Zipp went through 7 prototypes in the wind tunnel to get to this new Super-9. And tested 8 of the most popular TT & Tri bikes to make sure it make all racers faster against the clock. There’s ...
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Forget 28mm, much wider tyres are coming
Since tyre size, wheel width and frame clearance all work in sync, it's perhaps unsurprising that things take time to change.