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When using the GC 40 with a Shimano rear derailleur, a longer B-screw may be needed. A longer b-screw is almost always needed when using the GC42 with a Shimano rear derailleur.   

NOTE

You will not need this longer B-screw with the GoatLink. We strongly recommend the GoatLink for your Shimano rear derailleur when using the GCs, as it will improve long term shifting and drivetrain life. Be sure to check you have a compatible rear derailleur per the details on the GoatLink product page.

 

 

 

 

 

Related Products 

GoatLink

 

Tech Specs

Weight: 2.5g
Material: 
High-quality 18-8 stainless steel
Size: 
M4 x 25mm

  WARNING Handling this product will expose you to chemicals, including lead, known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For further information go to www.P65Warnings.ca.gov.​

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