Sunrace MF-M30 (13-28T)
SunRace MF-M30 7-speed threaded freewheel with a 13-28T cog range. A budget-friendly Taiwanese freewheel widely used on threaded rear hub motors in e-bike conversions, available on AliExpress and Amazon. Works with 7-speed derailleurs and Shimano HG-compatible chains.
In brief: 7-speed cassette. 13-28T range. From $9.
Specs verified Jun 10, 2026
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Specifications
Specifications
- Speed Count
- 7-speed
- Cog Range
- 13–28T
- Freehub Type
- Threaded (Screw-on Freewheel)
Physical
- Weight
- 270 g
