Stainless Steel Rear Derailleur Hanger Alignment Tool with Threaded Adjustment Rods

This rear derailleur hanger alignment tool is a practical garage tool for bike repair and wheel setup. Made from stainless steel with a polished mirror finish, it has a solid metal feel. The long rectangular body works as a hanger gauge, with clamping heads at both ends. Threaded adjustment rods and a small hand-tightening knob allow controlled manual adjustment. The tool measures 410 mm in overall length, with labeled dimensions of 110 mm, 96 mm, 160 mm, and 19 mm.