Cycling Rear Derailleur Hanger 135x9mm+142x12mm hook with axle thru Mountain Bike MTB Frame Lug Screws alloy Bicycle parts

Product Description

Type:BXT Bike Frame Rear Derailleir Hook;
Material: High-Strength Aluminum Alloy;
Model:9mm/12mm;
Color: Black;
Suitable for Frame Model:BXT-MTB-015/036/046/077/078/087/097/107 and BXT-ROAD-039/115 Frame Model;
Order Contains: 1set(9mm or 12mm);