A crooked derailleur hanger can mean missed shifts, chain skips, and constant frustration on the trail. This tool makes it easy to check alignment and straighten things out, helping you solve common shifting issues fast. It works with almost any derailleur bike and fits wheels from 16" to 29"+.

Features

• Heavy-duty chrome plated steel gauge bar
• Replaceable threaded tip for long service life
• Larger inner shaft for extra strength
• Precision tolerances for accurate alignment
• Extended clearance and reach for more frame and hanger types, including low-clearance thru-axle designs
• Works with almost all derailleur bikes, including Shimano® Direct Mount hangers