How Much Does It Cost to Replace a Bike Derailleur? (Maintenance Tips!)
If you do get in an accident that leads to a broken derailleur, you’ll likely be looking at spending upwards of $100 to replace it. The derailleur itself will cost around $50 and the hangar that holds it will cost around $15. If you bring it into a shop, you’ll also need to pay for the labor, which can be anywhere from $40-$60 depending on your location