JOES NO-FLATS Yellow Gel Self-Sealing Tube - 29 x 1.9/2.35 PV 48mm

Each tube is pre-filled with Joe's Yellow Gel.

Perfect for city and commute.
High quality tubes.
Instantly stops punctures – up to 3 mm.
Long shelf life – up to 3 years.
No maintenance required, efficient up to 3 years.
Available in most popular sizes and valves.