... bead pressing blocks and bead pressing roller, dismounting wider low-profile tire without aid arm. Protect rim. SV-TC920 Tire ... .Taller vertical post, dismounting max. tire width 300mm.Universal switch, 40A silver contact, much more durable.The hexangular shaft ... with bead pressing blocks and bead pressing roller, dismounting low-profile tire without any aid arm.Technical Data Motor110V/220V ...