The Michelin Airstop Butyl range of inner tubes fulfills the needs of everyday cyclists for an economical, high-quality inner tube. It features good puncture resistance and an excellent value for the money that's backed up by the impeccable reputation of Michelin.
Type A4 identifies the inner tubes for 29" tires with a width up to 62mm.Features:
- Presta valve: also known as Sclaverand or French valve
- Material: Butyl
- Weight: approx. 220 gram (Presta 40mm)
- Dimension: 48/54 x 622/635
- Valve type: Presta
- Valve length: Presta 40mm