28'' inner tube from Schwalbe with Presta valve. 

28-622 28 x 1 5/8 x 1 1/8
30-622 28 x 1.20
32-622 28 x 1 5/8 x 1 1/4
28-630 27 x 1 1/4
32-630 27 x 1 1/4

Weight: 115 g

40 mm Sclaverand valve (SV)

Information on EU Regulation GPSR 

Name of the manufacturer: Ralf Bohle GmbH
Postal address of the manufacturer: Otto-Hahn-Str. 1, 51580 Reichshof, DE 
Electronic address of the manufacturer: info@schwalbe.com