Derailleur Hanger Dropout 166 for Colmar bike frames.

• Hnger #166 attaches to the frame's rear dropout from the outside / derailleur side using two supplied M4x8 flat head screws.

•  - 2012-2013

All Wheels Manufacturing derailleur hangers are made to the highest standard for shifting accuracy and durability.

• CNC machined 6061 aluminum
• Black anodized finish
• Mounting hardware included
• Type: Rear Replaceable Derailleur Hanger
• AKA, Gear Hanger, Mech Hanger, Dropout 166