ZTTO Bicycle Rear Derailleur Parts Hanger Extender

Designed for balancing the position of your road derailleur to run a wide-range mountain bike style cassette.
Converts road, gravel, or commuter drivetrain bike to decrease weight of a single front chainring.
Makes super steep climbs of double chainring bikes easy in lower gearing.
Dose not influence the shifting in the smaller cogs of the cassette but make the derailleur work as large as a 40T cassette.
Enables the derailleur to work with as large as a 40T cassette without compromising the shifting in the smaller cogs of the cassette.

Feedback:

If there are any problems, please contact us freely, we will make our best to solve any problems for you.
If you are very satisfied with our product, we hope you can give us a positive feedback and welcome you back next time.

• Colors: black
• For 10/11 speed
• Includes 6061 aluminum bolt
• Material: aluminum and stainless steel
• High quality and durable

Colors: blackZTTO