Derailleur Compatible Training Wheels (16"-24")
by 49N- Adjustable to fit 16" - 24" bicycles
- Ideal for kids bikes with derailleurs
- Designed for NUTTED rear axles
- Does not fit QR axles (note: QR axles can be changed to NUTTED style)
- Includes threaded rear axle extender
- 125lb weight capacity
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