Park Tool DAG-2.2 Derailleur Hanger Alignment Gauge Brand_Aeroic and E-BIKES thanks to its

and E-BIKES thanks to its reinforced design

With numerous race wins under its belt and untold miles of backroad adventures

E-Bike: √(ANT+)

Creatively making good use of steel

the design of its pattern and the cross section all are at the heart of the performances of a tyre: the contact point between the ground and the bicycle

Park Tool DAG-2.2 Derailleur Hanger Alignment Gauge Brand_Aeroic and E-BIKES thanks to itsDERAILLEUR HANGER ALIGNMENT GAUGE A misaligned derailleur hanger can cause skipping, missed shifts, and wreak general havoc on your bicycle's drivetrain. The DAG 2. 2 is an indispensable shop tool that can be used to both measure and straighten misaligned derailleur hangers, diagnosing and solving many shifting problems. Compatible with virtually all derailleur equipped bicycles, and adjusts to work with wheels from 16" to 29"+.