Rotosound RB40 Roto Bass 40-100
Rotosound Roto Bass - RB40 40-60-80-100
Nickel on steel, extra bright, unsilked so therefore less expensive than the RS series.
Rotosound strings hit it big in 1966 when John Entwistle of The Who came to the Rotosound factory in search of a new set of strings. He spent the afternoon trying out countless different gauges of strings before settling on a set that would become known at the Rotosound Swing Bass 66 .