EIMSOAH Derailleur Hanger Alignment Tool Aluminium Alloy Bicycle Repair Wrench for Mountain Road Cycling 15.75in

Using Tips :Directly screw the tool into chain lifter hanger .There is a gauge on the rod to measure the distance to the wheel .Then ,as the wheel rotates the gauge to 90° ,180° ,270° and 360° ,note any differences in the measured values .Align the derailleur hanger by applying pressure to the tool arm .The results can be checked immediately .
Good in Design :Derailleur alignment tool comes with 400mm length ,the tool enables simple ,largely simplifying your working and improving efficiency .
Easy Carrying :Rear derailleur hanger alignment tool ,light in weight and compact in size as well ,the tool can be conveniently carried for both indoor and outdoor work .
Alignment Tool :Derailleur hanger alignment gauge is a correction tool used for the alignment of bike rear derailleur ,which ensures higher cycling safety and stability .
Great Material :Bike derailleur alignment tool ,adopting premium aluminium alloy material with a sturdy structure ,not easy to deform and very f