The Shadow version of the best rear derailleur out there! Shadow rear derailleurs protrude 12mm less from the dropout than conventional Shimano rear derailleurs. Less risk of damage from debris. Super Wide Link design for high rigidity and smooth shifting performance. Top Normal return spring for precise up shifting & emergency downshifting.

Features

• Carbon cage for weight savings
• Sealed bearing guide & tension pulleys
• GS (mid cage)
• Max sprocket: 34t
• 178 grams