THE SINNER DERAILLEUR GUARD 

 Conceived by and developed with DOWNHILL ZONE DESIGNS

Strengthens and stiffens derailleur hanger with double shear mounting.

By clamping under the quick release nut, supporting derailleur by both sides with a pin that fits into the end of the derailleur mounting bolt.

Protects derailleur and hanger from damage when encountering rocks, sticks and debris.

Crisper and more accurate shifting.

AVAILABLE FOR ALL DERAILLEURS, QUICK RELEASE AND THRU AXLE HUBS