Vittoria Standard Inner Tube 700x20/28c Presta Heart Rate Monitor DoubleShot barrel-in-barrel technology means the

DoubleShot barrel-in-barrel technology means the pump is compact and lightweight

56Bontrager Elite Gravel

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with reflex application

Vittoria Standard Inner Tube 700x20/28c Presta Heart Rate Monitor DoubleShot barrel-in-barrel technology means theVittoria Standard 700x20 28C SV Inner Tube Standard inner tube from Vittoria are made with high quality synthetic rubber with a wall thickness of 0. 9 mm. Standard tubes offer good puncture resistance and a solid airtight performance in every instance. Features Vittoria Standard 700x20 28C SV Inner Tube Butyl tubes Perfect for everyday use Puncture resistant Product features Material: Butyl Size: 28" (622 700) Width: 20 28 Valve: SV (Presta French)