The worse part is the deraille...
The worse part is the derailleur and the chainrings. The front chainring is made of weak aluminum which has bent, probably with a hit, but without me noticing it. The derailleur is bad quality: its spring is weak, overtime it doesn't react if you pedal backwards, the result is that the chain falls off the front chainring. I've changed the derailleu
- facilité d'utilisation
- rendement
- visibilité

