The Schwalbe AV21 inner tube is engineered for 27.5" wheels with wide tires, making it a reliable fit for mountain bikes, e-bikes, and hybrids. Crafted from premium butyl rubber, it provides stable air retention and solid puncture resistance. Featuring a 40 mm Schrader valve, this tube offers easy inflation with standard pumps and is ideal for robust, everyday cycling applications.
FEATURES
High‑Volume Compatibility – Supports wide tires from 40 mm to 62 mm
Durable Butyl Rubber – Maintains consistent pressure and resists flats
Schrader Valve 40 mm – Convenient and compatible with car-type pumps
Versatile Application – Perfect for MTB, e-bikes, and hybrid uses
Schwalbe Quality – Manufactured for dependable, everyday performance
SPECIFICATIONS
Tube Type: Butyl rubber inner tube
Size Compatibility: 27.5" x 1.50–2.40" (40/62‑584)
Valve Type: Schrader
Valve Length: 40 mm
Weight: Approx. 190 g
Use: Mountain bikes, e-bikes, hybrids
Compatibility: Fits 584 mm rims
