The Schwalbe SV21A Extra Light is a high-quality, ultralight inner tube for 27.5" (650B) tires and scores points with proven Schwalbe quality at minimal weight.
Thanks to the 40 mm Presta valve (SV), this tube is ideal for rims with a higher bead and makes inflation easier – even on deep rims. The extra-light butyl material ensures a low weight of approximately 150 g while providing a reliable air seal and good everyday performance.
The SV21A is suitable for 27.5" Tires with the following ETRTO dimensions: 40-584 (27.5 x 1.50) to 62-584 (27.5 x 2.40) – thus covering a wide range of MTB tires.
Advantages at a glance:
- Very light and sporty – ideal for trail riding, MTB, touring, or everyday use
- Proven Schwalbe rubber compound with good air stability
- Presta/Sclaverand valve, 40 mm long, for easy inflation
Product safety information
Manufacturer information:
Ralf Bohle GmbH
Otto-Hahn-Straße 1
Nordrhein-Westfalen
Reichshof-Wehnrath, Deutschland, 51580
info@schwalbe.com
https://www.schwalbe.com