Sonil Ventilfabrik supplies Step type Tube Valve Stem. Sonil Ventilfabrik manufactures various types of Bicycle as well as Automotive Tyre - Tube Valves and Accessories for Tyre, Tube and Retreading industries. The Step type Tube Valve Stem finds application as a Tyre-Tube Valve Stem in motor cycles and is available without Rubber Base. The Step type Tube Valve Stem comes in different sizes.