Continental MTB Tube Presta 42Mm Valve Black 29X1.75-2.50"
Continental MTB 29" (29er) (28/29 x 1.75" - 28/29 x 2.50") Presta - 42mm. Valve Type: Presta. All tubes are seamless and mold-cured (vulcanized) to ensure uniform roundness and improved reliability at the valve stem.