Park Tool DAG-3 Derailleur Hanger Alignment Gauge

Park Tool DAG-3 Derailleur Hanger Alignment Gauge

Regular price $127.95
Shipping calculated at checkout.

Only 1 items in stock!

Park Tool Derailleur Alignment Gauge and straighenner for keeping drive train in correct alignment.

  • Compatible with 16" to 29"+ wheels (ISO/ETRTO rim sizes from 317 to 630+)
  • Replaceable M10 threaded tip
  • Low-profile head fits low clearance thru-axle derailleur hangers and Shimano® Direct Mount hangers
  • Length: 16.5” (420mm)
  • Weight: 22.75 oz. (645g)

5 Star Reviews

Our order was processed promptly and arrived earlier than promised and in excellent condition. I would not hesitate to order from this vendor again.


Great helmet, and even greater service by these folks @ Alpine East. order arrived a week earlier than expected and they even included a hand written thank you note. they have a new client going forward. thanks guys.