Park Tool DAG2 Derailleur Hanger Alignment Gauge

Using this tool is the best way to ensure accurate derailleur alignment, and prevent shifting problems

• Screws directly into rear mech hanger threads
  
  
• Gauge bar pushes gauge rod against the rear wheel
  
  
• Measurements are taken at 6, 9, and 12 O' Clock positions
  
  
• The tool is used to gently bend the mech hanger to the correct position
  
  
• Made from heavy gauge steel, with a chrome plated finish
  
  
• Updated over the longstanding DAG-1 the DAG-2 utilises a longer measuring pointer, longer threaded stud and a longer, narrower alignment boss to fit a wider variety of bikes

Occasionally, without notice, manufacturers change product design and/or specifications.