VALVE - PRESTA
SUITABLE FOR TIRE SIZES-
40-406 - 20 x 1.50
47-406 - 20 x 1.75
50-406 - 20 x 2.00
54-406 - 20 x 2.10
57-406 - 20 x 2.125
60-406 - 20 x 2.35
62-406 - 20 x 2.50
54-428 - 20 x 2.00
The tube size is mentioned on the side wall of the tire.