Detail 01
Nickel-plated steel wire
It is the material associated with the series’ traditional warm nickel sound.

Independent shopping perspective
For a 45–130 Medium Gauge selection, Markbass’s Groove Series provides nickel-plated steel electric-bass strings hand-wound over a hexagonal high-carbon core. The series uses calibrated diameters and tensions with tone and feel in mind, and it is voiced toward a traditional warm nickel sound. This is the specific Medium option in the range, made in Abruzzo, Italy, for bassists choosing strings by their stated 45–130 gauge designation.

Strong match
What matters in use
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 01
It is the material associated with the series’ traditional warm nickel sound.
Detail 02
It describes the stated construction of the strings.
Final check
Product questions
Straight answers to the questions shoppers most often ask about this product.
It is the Groove Series Medium Gauge set, with a 45–130 range.
Markbass makes the strings in Abruzzo, Italy.
Reference
The complete catalog record, organized around the decisions musicians make when comparing gear.