MEROCA Mountain Bike Frame Rear Change Ear Correction Tool(Silver)

1. With the rotating rod as the axis, it can be rotated 360 degrees, measure the distance between the rim and the tail hook, and correct the tail hook2. Lock the swivel rod, precision thread, turn the handle clockwise, screw the swivel rod into the tail hook, precision lock3. Lock and press the sliding bracket to adjust the distance between the measuring rod and the wheel hub, and measure the deviation between the tail hook and the wheel rim4. Move the measuring rod to contact the rim, and then move the O-ring to align with the sliding bracket to locate5. Material: aluminum alloy6. Use: used for the calibration and correction of the tail hook on the bicycle7. Weight: about 720 grams8. Size: about 43x10.8cm