Misaligned dropouts can lead to all sorts of problems: poor tracking, bad shifting, excessive wear on hubs, and more. These gauges install into both fork and frame dropouts to provide a means to check dropout alignment, and in some cases correct it. Steel frames can, within reason, have their dropout alignment corrected with these tools. It's best to consult with your frame manufacturer if you've got a frame made of another material. Use this on the rear dropouts in conjunction with our Derailleur Hanger Alignment Gauge to ensure perfect shifting. How to use the tool: To use, remove the wheel and insert the tool into the frame. This tool is used for the alignment of the rear triangle and dropouts. material: premium flex plus carbon steel surface finish: blacken to standard DIN 50938 Tools with verified quality Unior Hand tools are in compliance with the European and global quality standards. Unior is striving to assure the high quality of hand tools also as a fully authorized CEO (European Tools Committee) member. Unior was among the first manufacturers of hand tools in Europe to receive ISO 9001 quality certificate. In 1994, the company received ISO 9001 quality certificate for the development, production and marketing of hand tools, sheet metal housing for hand tools and mechanical processing of forging parts. Unior tools are in compliance with DIN standard. Since 1991, the tools for working at high voltage also proudly hold VDE certificate, issued by VDE Institute- "Pruf und Zertifizierungsinstitut" from Offenbach in Germany.
