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  • Patented, user-friendly design is tool-free is easy to attach—simply open quick release, slide into position and close quick release to hold securely in place
  • Stainless-steel slide on is designed for ease of use with quick release system
  • Made of steel and a tough ABS plastic for reliable protection against strong side impacts
  • Not designed to work with rear thru axles


View all Bopworx Bike Travel Cases

REI membership


Best Use Cycling
Material(s) ABS plastic/steel/rubber
Dimensions Unavailable
Weight Unavailable
Rated 5 out of 5 by from Rear Derailleur Protection I use the rear derailleur guard when my bike is ever in motion without the rear wheel. I have used it both in shipping and on my car's bike rack. It's nice knowing the rear derailleur is safe, along with the hanger. Very durable!
Date published: 2016-04-11
Rated 5 out of 5 by from Simple product and easy to use Such a simple idea. I'm amazed no-one has made one before. I Always use this when my bike is going in the car. Way better than bending or scratching an expensive derailleur.
Date published: 2016-05-09
Rated 5 out of 5 by from Full Bopworx Line is Great I'm very happy with the full line of Bopworx products. I have used them all and they all did exactly what they needed to do! Protect the bikes and my car.
Date published: 2016-05-20
Rated 5 out of 5 by from Great protection Very easy to use and provides great protection for your derailleur.
Date published: 2016-07-09
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