SELVFZ Bicycles Derailleur Hanger Alignment Gauge Bicycles Leveling Tool For Mountain Biking And Road Cycling Wheel Enduring Bicycles Rear Derailleur Hanger Alignment Gauge Tool

Function: Used to calibrates the tail hook of the Bicycles frame to solve many transmission transmission transmission problems, especially in locating the rear transmission systems Sliding brackets, locking sliding brackets, can adjust the distance between the measuring rod and wheel to measure the deviation between the tail hook and wheel rims Precisions thread, tightly fitting clockwises rotation positioning handle, screw in the bolts and change the lift lugs to lock Ergonomic designs allows for easy handling and precise adjustments in bicycles repair Make of aluminum Alloys materials, anodized, with enhances hardness and reduced weight