Fumpa TPU MTB Tube - 27.5" BF New Stem: Alloy quill

Stem: Alloy quill

fits well in trouser or jersey pocket

Adjustable struts provide a closer fit to the tire and excellent mud / spray protection while the highly polished underside helps prevent dirt buildup and aids in cleaning

TRACKR Heart Rate Strap

Fumpa TPU MTB Tube - 27.5" BF New Stem: Alloy quillTPU tubes offer many of the benefits of going tubeless: lighter faster wheel weight, puncture and pinch flat resistance, superior road feel through the tyres, streamlined roadside repair kits and they retain the convenience of using tubes. But electric bike pumps generate heat which can damage plastic valve stems. Smooth plastic valve stems can also make it difficult to attach your pump. Fumpa TPU tubes are optimised for use with electric bike pumps