As one special motorcycle tyre supplier, We can supply many kinds of motorcycle tyres, our mainly market is South East Asia, Middle East, South America, Africa Etc. Some sizes as follows for your referrence.

2.25-14
2.25/2.50-17
2.50/2.75-17
2.25/2.50-18
2.50/2.75-18
2.75-14
3.00-8
3.50-8
4.00-10
4.00-8
3.50-10
3.00-10
3.00/3.25-17
3.00/3.25-18
3.25/3.50-16
110/90-16
130/90-15
90/90-18
3.50-18
3.75-19
4.00/4.50-12
2.50/2.75-18
3.00-12
3.25-18

etc