Innertube 29X1.9/2.3 FV 48MM Size:29 the Active Shift 180 f

the Active Shift 180 f adapts perfectly to support your child over time

Provides visibility to other vehicles on road

Smooth woven fabric feels lightweight and breathable for all-day wear

2 x knee Pads

Machine stitched

Innertube 29X1.9/2.3 FV 48MM Size:29 the Active Shift 180 fBBB innertubes are made of durable long lasting butyl rubber compound. Seamless to prevent the innertubes from leaking air and keep air pressure for a long time. Air chamber wall thickness of 0. 87mm. Thick enough for extra puncture resistance and thin enough to spare you the extra weight. Presta Valves (FV)This French valve type was originally used for road bikes. Presta valves are available in 33mm, 48mm, 60mm and 80mm. Schrader Valves (SV)Strong