ST2 Belt - Protective ring pulley The specially manufactured Stromer ST2 Belt pulley protection ring is used by Stefan Smulders offered. Price: 30 € Updated on July 16, 2025 Was this article helpful? Yes No Related Articles Accessories from the 3D printer Child seat on the Stromer? Rims 27.5″ - Alternatives Velöträger in the test External USB connection - wireless charging ST2 - install new suspension fork