VAR derailleur hanger alignment gauge

To measure any gaps in the derailleur hanger, the VAR derailleur hanger controller and straightener derailleur hanger controller and straightener solves gear shifting problems.

Screwed directly into the derailleur hanger thread, this easy-to-use derailleur hanger controller from French brand VAR is precision-machined and equipped with a high-quality steel threaded axle.

Ref: 9203501859165