Fixed Gear / Freewheel Sprocket Spacer.

Spacer to fine tune the chainline
Fits fixed and freewheel BSA hub / cog threading
Quality spacer made from steel, silver plated
1.0mm thick
inner diameter 34.9mm, outer diameter 39.5mm

Product safety information

Bicycle parts, bicycle spare parts, Freewheels, Hub Accessories;

Shimano Europe B.V.
High Tech Campus 92
5656 AG, Eindhoven
The Netherlands
https://bike.shimano.com/de-DE/home.html