Fumpa TPU MTB Tube - 27.5" BF New for total control on those

for total control on those sunrise-to-sunset rides

fits well in trouser or jersey pocket

5mm lateral shift per side

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

Fumpa TPU MTB Tube - 27.5" BF New for total control on thoseTPU 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