Whether on a children's bike, trailer, or stroller, the Schwalbe bicycle tube No. 4 with SCV is your reliable companion. Made from high-quality butyl, it impresses with a uniform wall thickness, excellent air retention, and unparalleled durability.

Especially practical: The innovative Schwalbe Clik Valve (SCV) makes inflating with the Schwalbe Clik Valve pump head or pump head adapter faster, easier, and more comfortable. Just click on, pump, and pull off – done. And if you are using a classic SV pump, you are still compatible.

Your advantages at a glance:

• ✅ Suitable for 16-18” tires – for children's bikes, trailers, and strollers, etc.
• ✅ Holds air longer thanks to high-quality butyl material
• ✅ Uniform wall thickness for maximum safety
• ✅ Innovative Clik Valve (SCV) – intuitive pumping without loss of pressure
• ✅ Reverse-compatible with classic SV pumps
• ✅ Winner of the Eurobike Award 2024 for smart valve technology
• ✅ Lightweight at just 85 g – perfect for on the go

Technical specifications

• Size: 16-18 inches
• Valve type: SCV (Schwalbe Clik Valve)
• Valve length: 40 mm
• Material: Butyl
• Weight: 85 g
• ETRTO range:

  37-340 | 16 x 1 3/8 | 400 x 35A

  28-349 | 16 x 1.10
  28-349 | 16 x 1 1/8
  30-349 | 16 x 1.20
  32-349 | 16 x 1.25
  32-349 | 16 x 1 1/4
  35-349 | 16 x 1.35
  37-349 | 16 x 1 3/8
  37-349 | 16 x 1.40

  28-355 | 18 x 1.10
  28-355 | 18 x 1 1/8
  32-355 | 18 x 1.25
  35-355 | 18 x 1.35

Why the Schwalbe Tube No. 4 is the right choice

If you are looking for a reliable bicycle tube for 16 or 18-inch tires, Schwalbe No. 4 is the right choice. It is the first option for anyone who values long air retention, easy handling, and safety – whether for everyday use or long cycling tours. The Clik Valve sets new standards in terms of user-friendliness and makes inflating easier than ever before.

Delivery contents

• 1x Schwalbe bicycle tube No. 4 (18-18") with SCV