remove the belt off of scoot., lay it flat on a table ,. and measure around belt with a metric tailors tape., or use a string around belt and cut to fit ,.n and measure string with any metric tape ,. that is first measure ,. second is width of tape,. third is angle of belt
my scooter belt is 104 mm./ 25 mm. with30 DEgree angle., on my downtown 300i,