Adjustable sternum strap with whistle

Frame: 19 / 22 mm round high tensile steel

Bicycle Compatibility:

Stabilizing nose bridge: keeps fitting secure and comfortable

with 4 interchangeable size options for a perfect fit

VITTORIA Schrader Inner Tube Standard 29X1.502.0 Size:48MM Adjustable sternum strap with whistleProtection in any instance General purpose butyl inner tubes for everyday use. Standard inner tubes are made with high quality synthetic rubber with a wall thickness of 0. 9 mm. Standard tubes offer good puncture resistance and a solid airtight performance in every instance. Additional information: Butyl inner tubes for everyday use Good puncture resistance and airretention Wall thickness 0. 9 mm