The ZTR Grail of NoTubes is a new development which optimally makes the racing or motocross riders and thus combines both worlds. This category is also called Gravel bikes. 28 mm or 33 mm road bike tire Cross feel both equally well on the ZTR Grail. With an interior width of 20.3 mm, it is much wider than normal wheels, which the tire has a neat support width. Thus, even low air pressures down and the grip levels are increased. As is usual for NoTubes, the disc rim if desired be converted to tubeless use with sealing milk with a 21 mm rim tape.
Manufacturing process: CNC bent, rotated
Size: 28 "
Tyre Type: Wire and Folding
Width: 24.1 mm
Interior width: 20.3 mm
Height: 24.5 mm
Number of holes: 24, 28 or 32
ETRTO: 622 x 20.3
recommended tire width: 28 mm - 33 mm
Max. Pressure: 8 bar (23 mm), 7 bar (28 mm), 3 bar (32 mm)
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