Freewheel SunRace MFE60 8-speed 13-28T CP (threaded)

Speeds: 8-Speed Type: THREADED (not compatible with splined hubs) Thread is the same as Shimano TZ500, so it is compatible with most threaded hubs Designed to use with E-Bikes, but can also be used with standard bicycles Lock Ring Type: YES Function: Fluid Drive Plus Number of Teeth: 13-28T Gear Combination: 13-15-17-19-21-23-25-28 Sprocket Material: Steel Sprocket Finish: Chrome Plated Light Weight Holes: YES Spacer Material: Engineering Polymers Chain Compatibility: 6/7/8-Speed Weight: 574 g