Cycle Rear Derailleur Alignment Tool Stainless Steel Derailleur Hanger Alignment Tool Mirror Polished M10

This bike tool is built from stainless steel and carbon steel, giving the derailleur hanger alignment tool a solid metal construction suited to repeated workshop use. As an alignment gauge and rear derailleur hanger tool, it helps check and correct hanger position for more accurate rear shifting setup. The long rectangular main bar and adjustable clamping-and-guide structure at both ends make this derailleur hanger adjustment tool practical for controlled alignment work. A silver-toned, mirror-polished surface gives the derailleur hanger tool a clean, visible finish while also matching the tool's precision-oriented appearance. Designed for M10 derailleur hanger installation, with printed instructions that also mention M3 and M5 wrench installation, this bike tool measures 410 x 160 x 75 and weighs about 890 g.