Tube AUTHOR 27,5x1,75-2,35. 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 40 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 48/54 - 584/597.
||black||27.5x1.75/2.35 = UA#37227001|