Fumpa 700c x 32-47mm TPU Gravel Tube
TPU tubes combine the advantages of tubeless setups—such as reduced wheel weight, enhanced tire feedback, and compact repair kits—while maintaining the ease of traditional tubes. However, electric bike pumps produce heat that may harm plastic valve stems, and the smooth surface of these stems can complicate pump attachment.
Fumpa TPU tubes are optimised for use with electric bike pumps with textured metal valve stems to work perfectly with Fumpa pumps.
Available in four sizes to suit road, gravel, MTB and 29" tyres.
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