Topeak Twinhead Joe Blow Sport III, JoeBlow Mountain X zonder slang Product Description The TwinHead DX5 pump head from Topeak is a spare part for the Topeak JoeBlow Sport III and JoeBlow Sport 2Stage pumps. It is a dual-sided pump head for Presta, Schrader, and Dunlop valves. Product Features: Dual-sided replacement pump head for JoeBlow Sport III / Sport 2Stage.Compatible with Presta, Schrader, and Dunlop valves. Manufacturer Number: universal: TRK-JB27 Contents: 1 × Topeak TwinHead DX5 pump head Manufacturer: RTI Sports GmbH Am Autobahnkreuz 7 55072 Koblenz Germany service@rtisports.de