- Inner diameter=34mm,30poe(points of engagement)
- Hub thread type=B1.37"*24tpi, fit chain size=1/2"*3/32",loose ball bearing.
- Compatible with up to 9 speed chain
- Special tool(8 splines) is required for the removal of the freewheel.“big tool” for the 16T / 17T / 18T Removal tool.
Single speed freewheel 16 tooth 30 Point Engagement Threaded=30 click