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Bike Single Speed Freewheel Cog or 3 Speed Cassette Steel For Fixie Bike Electic Folding Bike 35mm English Thread Bicycle Cogs
Specifications:
- Sensitivity: none
- Model Number: single speed
- Gear Teeth: 12 - 18T
- Freewheel Speed: 1
- Flywheel Adjustable Gear Number: 1-speed
- Components: Freewheel
- Brand Name: SILVEROCK
- Material: Steel
- Free shipping
- 100 days returns
- Low prices
- 5 million products