Bicycle Derailleur Hanger Alignment Gauge — Blue
Bicycle Derailleur Hanger Alignment Gauge — Blue
Use the rear wheel as your alignment reference.
This blue bicycle derailleur hanger alignment gauge threads into a compatible hanger and uses a long arm with an adjustable reference rod. It assists workshop alignment checks where the frame and hanger manufacturer permit correction.
Tool features
- Threaded mounting spindle for the derailleur hanger.
- Long gauge arm with an adjustable reference rod.
- Blue body in the original supplier option.
Check compatibility
Confirm the hanger thread, available wheel clearance and frame requirements before ordering. This tool is not a replacement hanger or derailleur. No universal frame fit or measuring tolerance is specified.
Workshop use
Follow the supplied instructions and the bicycle manufacturer’s service guidance. A competent mechanic should assess whether a bent hanger may be corrected or must be replaced; do not force a cracked or damaged hanger. Recheck alignment and shifting before riding. Bicycle and drivetrain parts are not included.
Bicycle Derailleur Hanger Alignment Gauge — Blue