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Schwalbe tube Nr. 21 for 27.5"

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Item#
Mfg-Item#
Variants
Display mfg part numbers
SV21F (27.5x2.10-3.00) fr cable- valve 40mm 42947592 3.36€
MPN 10400073
AV21F (27.5x2.10-3.00) car valve 40mm 42947591 5.42€
MPN 10400030
SV21F (27.5x2.10-3.00) fr cable- valve 40mm (4 pcs.) SCL47592 10.08€
MPN 10400073
Please select a variant.

Schwalbe tube No. 21 for 27.5'' (27.5x2.10-3.00")

Perfect for mountain bikes, trekking bikes, enduro, donwhill & freeride: Schwalbe's 21F tube fits all tires from 1.90 to 3 inches and is available with Sclaverand or car valve.

Schwalbe bicycle tubes are usually made of butyl rubber. Butyl is a very elastic and at the same time airtight synthetic rubber. Before extrusion, the base material is pressed through a total of seven filters under enormous pressure. All hoses are placed in a mold and inflated for vulcanization. This is the only way to ensure uniform wall thicknesses and high air retention. All finished tubes are inflated and stored for at least 24 hours to test for air retention. Each hose is then carefully checked individually via visual inspection. The Schwalbe tube has been valued by German bicycle dealers for its high reliability for many years. Every Schwalbe tube is 100 percent recyclable. Schwalbe can use the recycled butyl rubber in the production of new tubes without any loss of quality. That's why every new Schwalbe standard tube already consists of around 20 percent recycled raw materials. Compared to producing the same amount of new butyl, only a fifth of the energy is used.

Highlights

  • reliability
  • High air retention
  • Uniform wall thicknesses
  • Material butyl rubber
  • 100 percent recyclable
 

scope of delivery

  • 1x Schwalbe tube No. 21F for 27.5'' (27.5x2.10-3.00") 40mm, 200g
Schwalbe tube Nr. 21  for  27.5" SV21F (27.5x2.10-3.00) fr cable- valve  40mm
Schwalbe tube Nr. 21  for  27.5" AV21F (27.5x2.10-3.00) car valve 40mm
Schwalbe tube Nr. 21  for  27.5" SV21F (27.5x2.10-3.00) fr cable- valve  40mm (4 pcs.)

Über die Marke Schwalbe

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