20" Schwalbe tube with AV 7 valve.

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

Weight: 145 g

40 mm Schrader valve