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Schwalbe SV 19F Tube for 29" / 29"+ Freeride
Schwalbe SV 19F Tube for 29" / 29"+ Freeride
The Schwalbe MTB Freeride tube SV 19F made of butyl rubber with 40 mm valve length for 29 x 2.1" to 29 x 3.0" tire sizes.
A bicycle inner tube is usually made of butyl rubber. Butyl is a very elastic and at the same time airtight synthetic rubber. Just like tires, however, other additives are necessary for the rubber compound. The rubber compound used can result in significant differences in quality. Schwalbe inner tubes are extremely airtight and elastic. Thanks to their high elasticity, an inner tube covers a wide range of different tire sizes. A distinction is made between mold-heated and autoclave-heated inner tubes. Vulcanization in a mould results in more uniform wall thicknesses and therefore lower weights and significantly better air retention. This is why autoclave-heated hoses, which are easier to manufacture, have become increasingly rare in recent years. Schwalbe inner tubes have always been manufactured as mold-heated tubes. Each tube also has a valve, which is connected to the tube by vulcanization.
What special features does a Schwalbe inner tube offer?
In addition to the quality of the ingredients, the purity of the rubber compound is decisive for the quality of the inner tube. The base material is therefore pressed through a total of seven filters under enormous pressure before extrusion. All hoses are placed in a mould and pumped up for vulcanization. This is the only way to ensure uniform wall thicknesses and high air retention. All finished hoses are inflated and stored for at least 24 hours in order to test them for air retention. Each tube is then carefully checked individually by visual inspection. German bicycle dealers have valued Schwalbe inner tubes for many years for their high reliability. Thanks to its high elasticity and quality, one tube covers a wide range of tire sizes. Tube no. 17 works just as well with 28 mm tire widths as with 47 mm. A great advantage for stock-keeping in the trade. All valves are nickel-plated and threaded. The valve insert is always replaceable. Schwalbe tubes with the classic bicycle valve can also be tested for air pressure and have a highly pressure-stable valve seal. Every Schwalbe inner tube is 100 percent recyclable. We can use the recycled butyl rubber in the production of new tubes without any loss of quality. For this purpose, we have developed our own devulcanization process in our factory. We have been using this process very successfully for years. Every new Schwalbe standard inner tube therefore already consists of around 20 percent recycled raw material. The energy balance of our recycling process, including all transportation routes, is extremely positive. Compared to the production of the same amount of new butyl, only a fifth of the energy is consumed. In Germany, we support the recycling process of old bicycle inner tubes with a collection process that bicycle dealers can easily participate in and which is free of charge.
Which is the best valve?
Three different systems have established themselves on the market and it is difficult to give a clear recommendation. It is important that the valve fits the rim bore and that there is also a suitable air pump. Contrary to a common assumption, there are no longer any major differences in air retention. At least with Schwalbe, all valves seal well and are suitable for high pressures. The classic bicycle valve or Dunlop valve is still the most widely used. Most cyclists are familiar with them. The valve insert is easy to replace and the air can be released very quickly. Fitting a tube with a Dunlop valve is more complicated because the valve core and union nut have to be removed in order to insert the valve through the valve hole. The inner tube can only be pumped up once both have been reinserted. With the conventional Dunlop valve, it is not possible to measure the air pressure. Only with the special Schwalbe Dunlop valve have we created a feedback option so that you can check the air pressure with the Airmax pressure gauge. In the past, Dunlop valves were very difficult to pump. Today, however, this is no longer the case due to more modern valve inserts. The Sclaverand valve is narrower than the other valves (6 instead of 8 mm). It requires a smaller rim bore and is therefore particularly suitable for narrow road bike rims. It is approx. 4-5 g lighter than the Auto and Dunlop valves. It can be closed manually with the knurled nut. Before inflating, you have to unscrew it, which often causes problems for first-time users. The thin pin on the top can easily bend when putting the air pump on and off. Caution: If you use tubes with Sclaverand valves in rims with larger valve holes, this can lead to the valve tearing off, as the metal edge of the hole can then separate the valve stem from the tube. The car valve can be filled very easily at the filling station. older and very simple bicycle air pumps are not compatible with the auto valve.
Product features - Schwalbe SV19F
- Application: MTB Freeride
- Model: SV 19F 40 mm
- Valve type: SV Sclaverand valve (Presta)
- Valve length: 40 mm
Suitable sizes
- 65-584 27.5 x 2.60
- 70-584 27.5 x 2.85
- 75-584 27.5 x 3.00
- 54-622 29 x 2.10
- 57-622 29 x 2.25
- 60-622 29 x 2.25
- 62-622 29 x 2.40
- 65-622 29 x 2.60 29+
- 70-622 29 x 2.75 29+
- 75-622 29 x 3.00 29+
Tire material
- Butyl
Tire weight
- 215 g (manufacturer's specification)
Scope of delivery
- 1 Schwalbe SV 19F inner tube for 27.5+, 29" and 29"+ Freeride
Technologies
What is a bicycle inner tube made of?A bicycle inner tube is usually made of butyl rubber. Butyl is a very elastic and at the same time airtight synthetic rubber. Just like tires, however, other additives are necessary for the rubber compound. The rubber compound used can result in significant differences in quality. Schwalbe inner tubes are extremely airtight and elastic. Thanks to their high elasticity, an inner tube covers a wide range of different tire sizes. A distinction is made between mold-heated and autoclave-heated inner tubes. Vulcanization in a mould results in more uniform wall thicknesses and therefore lower weights and significantly better air retention. This is why autoclave-heated hoses, which are easier to manufacture, have become increasingly rare in recent years. Schwalbe inner tubes have always been manufactured as mold-heated tubes. Each tube also has a valve, which is connected to the tube by vulcanization.
What special features does a Schwalbe inner tube offer?
In addition to the quality of the ingredients, the purity of the rubber compound is decisive for the quality of the inner tube. The base material is therefore pressed through a total of seven filters under enormous pressure before extrusion. All hoses are placed in a mould and pumped up for vulcanization. This is the only way to ensure uniform wall thicknesses and high air retention. All finished hoses are inflated and stored for at least 24 hours in order to test them for air retention. Each tube is then carefully checked individually by visual inspection. German bicycle dealers have valued Schwalbe inner tubes for many years for their high reliability. Thanks to its high elasticity and quality, one tube covers a wide range of tire sizes. Tube no. 17 works just as well with 28 mm tire widths as with 47 mm. A great advantage for stock-keeping in the trade. All valves are nickel-plated and threaded. The valve insert is always replaceable. Schwalbe tubes with the classic bicycle valve can also be tested for air pressure and have a highly pressure-stable valve seal. Every Schwalbe inner tube is 100 percent recyclable. We can use the recycled butyl rubber in the production of new tubes without any loss of quality. For this purpose, we have developed our own devulcanization process in our factory. We have been using this process very successfully for years. Every new Schwalbe standard inner tube therefore already consists of around 20 percent recycled raw material. The energy balance of our recycling process, including all transportation routes, is extremely positive. Compared to the production of the same amount of new butyl, only a fifth of the energy is consumed. In Germany, we support the recycling process of old bicycle inner tubes with a collection process that bicycle dealers can easily participate in and which is free of charge.
Which is the best valve?
Three different systems have established themselves on the market and it is difficult to give a clear recommendation. It is important that the valve fits the rim bore and that there is also a suitable air pump. Contrary to a common assumption, there are no longer any major differences in air retention. At least with Schwalbe, all valves seal well and are suitable for high pressures. The classic bicycle valve or Dunlop valve is still the most widely used. Most cyclists are familiar with them. The valve insert is easy to replace and the air can be released very quickly. Fitting a tube with a Dunlop valve is more complicated because the valve core and union nut have to be removed in order to insert the valve through the valve hole. The inner tube can only be pumped up once both have been reinserted. With the conventional Dunlop valve, it is not possible to measure the air pressure. Only with the special Schwalbe Dunlop valve have we created a feedback option so that you can check the air pressure with the Airmax pressure gauge. In the past, Dunlop valves were very difficult to pump. Today, however, this is no longer the case due to more modern valve inserts. The Sclaverand valve is narrower than the other valves (6 instead of 8 mm). It requires a smaller rim bore and is therefore particularly suitable for narrow road bike rims. It is approx. 4-5 g lighter than the Auto and Dunlop valves. It can be closed manually with the knurled nut. Before inflating, you have to unscrew it, which often causes problems for first-time users. The thin pin on the top can easily bend when putting the air pump on and off. Caution: If you use tubes with Sclaverand valves in rims with larger valve holes, this can lead to the valve tearing off, as the metal edge of the hole can then separate the valve stem from the tube. The car valve can be filled very easily at the filling station. older and very simple bicycle air pumps are not compatible with the auto valve.
SCHWALBE Bicycle Tube - Find the right bicycle tube!
Why are there actually different bicycle valves?
What makes a Schwalbe bicycle tube so special?
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Beste Schläuche. Lange Haltbarkeit und schön breit. Top
Schneller Versand
Habe diesen Schlauch auch schon in meinen 27,5 Zoll Rädern gefahren. War absolut zufrieden. Habe deshalb jetzt nachdem ersten Platten sofort auf diesen umgestellt.