Impac by Schwalbe Tube — 700×28–45c, Schrader (SV)
A tough, dependable butyl tube for wider 700c tyres on commuters, hybrids and gravel bikes. The car-style Schrader valve makes topping up easy at any servo and suits rims drilled for the larger valve hole.
Specifications
Wheel Size – 700c / 28″ (BSD 622)
Tyre Width Range – 28–45c (ETRTO 28–45-622)
Valve Type – Schrader (SV), standard car-type valve
Material – Butyl rubber
Compatibility – Rims drilled for Schrader (~8 mm valve hole)
Contents – Single inner tube
Fit Notes
Partially inflate before fitting, ensure rim tape fully covers spoke holes, and check beads for pinches. If your rim is drilled for Presta (~6 mm), choose the Presta valve version—don’t enlarge the valve hole unless the rim manufacturer specifically allows it.
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Available for Electric Bikes only and subject to availability.