Description:

Hook Calibration Tool: A professional bike frame drive hanger calibrator that can measure and correct misaligned drive hangers.
Ease of use: The directly into the derailleur hanger. The gauge rod holds a gauge to mark the distance to the wheel.
Applicable: It is used to replace the lifting lug after correction, and solve the problem of , especially the rear system.
High quality material: high quality aluminum alloy material, exquisite workmanship and high precision.
PERFECT GIFT: A practical gift for cycling lovers.

Specification:

Material : aluminum alloy
Size ( L ): Approx .
40cm/15.75inch

Package Includes:

1 Bike Derailleur Hanger Gauge

Note:

Please allow slightly errors due to manual measurement and different monitors.