Built for serious maintenance work, this derailleur hanger alignment tool gives bike mechanics a practical way to check and correct rear derailleur hanger position with confidence. It serves as a dependable bike repair tool for daily workshop use, especially when accurate gear changing countsThe long measuring arm functions as a hanger alignment tool and bike hanger alignment gauge, allowing you to compare the hanger against the wheel and mark even small deviation. With an approximate 270 mm measuring travel, it offers the reach needed for a wide range of bikes, including 12/14/16/18/20/22/24/26/27.5/29-inch and 650C/standard road wheel size rimsFor smoother workflow, the derailleur hanger straightener uses a 360-degree rotating layout so you can measure and adjust from multiple angles without fighting the frame. The positioning spindle is made with precision machining to support stable, repeatable checks, while the 10mm metric thread×P1 thread helps ensure a solid fit during use.Constructed from aluminum alloy and metal components, this bike derailleur hanger tool is designed for workshop, garage, and repair shop environments where durability counts If a bike has poor gear changing after a knock or transport damage, this tool helps bring the hanger back into alignment so the drivetrain can run more cleanly and consistently. It is a straightforward way to save time, improve service quality, and get bikes back on the road feeling right.
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