Schwalbe tube 20x1 1/8-1 3/8 (28/37-438/451) SV7A

Tube for 20" race bmx and some kids bike.
Race valve (presta) (FV,SV).
Weight: 105 g
20x11/8", 20x13/8" (28/37-438/451)
SV7A

Fits these sizes among others:

ETRTO	INCHES	FRENCH
37-438	20x1 3/8
28-440		500x28A
37-440		500x35A
28-451	20x1 1/8
37-451	20x1 3/8 B.S.

37-438
28-440
37-440
28-451
37-451
20x13/8
20x1 1/8
20x1 3/8
500x28A
500x35A