Product Description Specifications:Application:Road, Triathlon & Time TrialETRTO:25-622 to 28-622Tyre Dimensions:700 x 25c to 700 x 28cInner Tube Material:composite (TPU)Valve Type:SV / Presta 42 mm, SV / Presta 60 mm, SV / Presta 80 mmCompatibility:only suitable for bikes with disc brakesManufacturer's Notice:If the tube or valve is damaged, replace the tube, do not repair it. Features:lightweight composite performance inner tube for time trials and road cyclingsignificantly lighter, more compact and more resistant than butylparticularly low rolling resistance5% faster when accelerating and climbing than SmarTube without EVOSclaverand/Presta valve with glued-in valve coreValve InformationTubes are available with various valve types. Choosing a valve is dependent on application and the rim's valve hole diameter. SV / Presta Valve: Synonyms: Sclaverand Valve (SV), French Valve, Presta ValveOuter Diameter: 6.5 mmModels:25-28 x 622 SV / Presta 42 mm: Valve Type:SV (Sclaverand/Presta)Valve Length:42 mmManufacturer Number:4360900 25-28 x 622 SV / Presta 60 mm: Valve Type:SV (Sclaverand/Presta)Valve Length:60 mmManufacturer Number:4361000 25-28 x 622 SV / Presta 80 mm: Valve Type:SV (Sclaverand/Presta)Valve Length:80 mmManufacturer Number:4361100Contents:1 x Manufacturer: PIRELLI DEUTSCHLAND GmbH Höchster Straße 48 - 60 64747 Breuberg Germany contactcentertyres.de@pirelli.com