Unior Bike Tools is a European manufacturer of the highest quality specialized tools for bicycle service and repair. The tools are designed in accordance with the standards set by leading bicycle manufacturers and have been awarded the ISO9001 international quality certificate in 1994. High-quality materials ensure a long life of the tools, and their ergonomic design allows for safe work. Unior combines quality workmanship and affordability. The tools can be used regardless of the bicycle manufacturer, both by professional bicycle repair shops and any individual user. Unior Bike Tools is an official partner of four leading UCI Wolrd Tour cycling teams: Etixx-Quick Step, Movistar, Team Sky and Trek - Segafredo.

Manufacturer: Unior
Model: 1643/4
The gauge allows you to quickly and accurately determine the degree of chain pull
To mitigate the effects of difficult derailleur changes or uneven sprocket wear, it is recommended to replace the chain at or before 0.6% stretch.
To determine the wear of the chain, insert the measuring pins between two links, turn the ring with the scale and read the indicated value.
Measuring scale: 0 - 1.2%
Dimensions: "L" 137mm "B" 25.5mm "A" 20mm "C" 137mm
Weight: 168g