Unior Derailleur Hanger Alignment Tool
Description
The derailleur hanger and the rear derailleur, must be parallel to the rear wheel which enables smooth running of the chain and fast and efficient shifting. This tool is easy to use and very precise. It is used to check the alignment of the rear derailluer hanger and the wheel, and to align the hanger if necessary. Material: special tool steel, the pipe is made of construction steel
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