Schwalbe standard bicycle tube No. 21. For bicycle tires in size 27.5" inches (ETRTO 40/62-584). Retains air for an above-average time. Thanks to the best material quality and uniform wall thickness. Highest reliability that has proven itself millions of times.
Matching dimensions (ETRTO)
40-584 27.5 x 1.50
47-584 27.5 x 1.75
50-584 27.5 x 2.00
54-584 27.5 x 2.10
57-584 27.5 x 2.25
60-584 27.5x2.35
62-584 27.5 x 2.40
Weight 205g
