Tube AUTHOR 26x2.20-2.50 100% all butyl rubber made with extremely air-tight. Keep air pressure in bicycle tyre longer than cheaper tubes made of syntehtic rubber.
- American valve 32 mm.
- Less air loss = having to inflate less.
- 100% quality control, each AUTHOR tube is individually examined at the factory to ensue air-tightness.
- ETRTO 50/62-559.
||black||26x2.20/2.50 = UA#37226008|