A convenient dummy hub that prevents the chain from playing carelessly when cleaning and maintaining the drive train such as the chain, or when transporting the bicycle with the rear wheels removed.
The derailleur can be moved with the dummy hub attached, making it ideal for chain cleaning and derailleur maintenance.
Since it is fixed to one side of the frame end, it can be used regardless of the end width.
- Adaptation end:
Open type (10 mm)
Through axle type (12mm)
- Applicable chain: Single (1/8 ”), multi-stage chain