The Rocky Mountain Solo/Growler MY23-25 Derailleur Hanger is a replacement component designed to restore proper rear derailleur mounting on compatible Rocky Mountain bikes. 

Key Features:
  • Designed specifically for compatible Rocky Mountain Solo and Growler models from MY23–25.
  • Provides the correct mounting point for the rear derailleur.
  • Helps restore reliable rear derailleur alignment and shifting performance.

Who is it for?
Rocky Mountain Solo and Growler MY23–25 owners who need a replacement derailleur hanger for a compatible bike.
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