Electric Bike Freewheel 7 8 9 10 Speed MTB EBike Screw On Type Sprocket 11-32T. 1 X Freewheel cassette. 10 Speed Cog teeth: 11T 14T 15T 16t 18T 20t 22T 24T 28T 32T. 9 Speed Cog teeth: 13T 14T 16T 18T 20T 22T 24T 28T 32T.
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