Bike Alignment Tool Bicycle Derailleur Hanger Alignment Gauge Aluminum Alloy Ranging Tool Bike Repair Tool Blue

[--Provides a simple accurate means for checking hanger alignment and for straightening hangers that are not properly aligned --The tool threads directly into the derailleur hanger. The gauge bar holds a gauge to mark the distance to the wheel. "--The gauge is rotated with the wheel to the 3 6 9 and 12 oclock positions noting any differences in measurements." "--The alignment of the derailleur hanger is accomplished by applying pressure to the tools arm. The results can be checked instantly." "--Function: Proper alignment of a bikes derailleur hanger is important for reliable shifting. While a derailleur hanger can be bent when a bike is crashed or dropped on its side even new frames often have misaligned hangers. Provides a simple accurate means for checking hanger alignment and for straightening hangers that are not properly aligned."]