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Schwalbe No. 21A Inner Tube - 27.5" | Extralight

Schwalbe No. 21A Inner Tube - 27.5" | Extralight

Lightweight, especially for 27.5 inch MTB wheels developed Schwalbe tube with french valve (Presta).
Proven for many year Schwalbe Extralight tubes offer the same reliability as normal tubes but simultaneously a lower weight. Extreme air pressure stable! The rubber compound makes it possible: less air leakage and less to pump. Extremely reliable! Quality control for safe riding pleasure: each Schwalbe tube is checked twice on air retention in the factory.

Fits the following tire dimensions:
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 (27.5 x 2.35)
62-584 (27.5 x 2.40)

In general valves can be separated into three different groups :
Presta valve: Sclaverand valve, Race valve, French valve
Dunlop valve: Wood, Bicycle or Dutch valve
Schrader valve: Standard, Car or Moto valve
Valve type: Presta (Sclaverand)
Weight supplement: manufacturer information

Fact Sheet of Schwalbe No. 21A Inner Tube - 27.5" | Extralight

Product Name: Schwalbe No. 21A Inner Tube - 27.5" | Extralight
Manufacturer: Schwalbe
Item Code: SWA201973
activity: Cycling
wheel size: 27,5" / 650B (584mm)
tire width: 1.50" (1 1/2"), 1.60", 1.625" (1 5/8"), 1.75", 1.90", 2.00", 2.10", 2.125", 2.25", 2.35", 2.40", 1.65", 1.70", 1.80", 1.85", 1.95", 2.15", 2.20", 2.30"
inner tube material: Butyl Rubber
Valve Type: Presta (Sclaverand)
Model year: 2024
Collection: Full year
weight: 150g
Manufacturer page: http://www.schwalbe.de