The SCHWALBE 16"-18" Inner Tube (349/355) is a high-quality inner tube designed for folding bicycles such as Brompton (349) and Birdy (355). Made from durable rubber with even wall thickness for reliable air retention.
Key Features:
Fits Brompton (349) and Birdy (355) folding bikes
Covers multiple tyre sizes in 16” and 18” range
Available in AV (Schrader) and SV (Presta) valve types
Each tube is tested for airtightness and durability
Product Features
Brand: Schwalbe
Series: Standard Tube
Model: AV4 / SV4
Type: Inner Tube
Size: 16"-18" (ETRTO 349 / 355)
Material: High-quality butyl rubber
Speed/Compatibility: Universal for folding bikes
Application: Folding bikes (Brompton, Birdy), small city bikes
