Park Tool - DAG-2.2 - Derailleur Hanger Alignment Gauge Stock Item:Null Park Tool SLIDING GAUGE HOLDER - DAG-1/2/2.2 In order to prevent the

In  order to prevent the possibility that the paint on the bicycle frame is damaged

Before we get confirmation though

To add to the versatility this system can run 1 or 2 cages to customize for training or racing

Multi-level anatomic shape with 4-way stretch

Headtube Size       42mm       52mm

Park Tool - DAG-2.2 - Derailleur Hanger Alignment Gauge Stock Item:Null Park Tool SLIDING GAUGE HOLDER - DAG-1/2/2.2 In order to prevent thePARK TOOL DAG 2. 2 DERAILLEUR HANGER ALIGNMENT GAUGE The DAG 2. 2 is an indispensable shop tool that can be used to both measure and straighten misaligned derailleur hangers solving a high percentage of shifting problems. Gauge bar made of heavy gauge, chrome plated steel Adjusts to fit 20" to 29"+ wheels Replaceable threaded tip Upgraded large inner shaft for added strength* Tighter tolerances for improved accuracy* Improved clearance and reach to