Genuine OEM-quality replacement part. Model-specific (internal/rotating part) — compatible with the machine models listed below.
SPEEDWAY replacement bobbin winder o-ring, part number 10031086Z. Rubber drive ring with 25mm internal diameter, designed to replace worn or broken drive rings on SPEEDWAY bobbin winder units.
Compatible with SPEEDWAY machines that use the 10031086Z bobbin winder drive ring specification.
Compatible Machines
- SPEEDWAY: SW 8000 A, SW-0303L, AI4, SW9000-56



