This bicycle derailleur hanger alignment gauge is a manual workshop tool designed for checking and correcting rear derailleur hanger and dropout alignment. The elongated aluminum alloy body incorporates a stainless steel measuring rod with a graduated scale for comparing alignment at different positions around the bicycle wheel. A 360-degree rotating adjustment design allows measurements to be taken from multiple points, helping identify hanger positioning differences before adjustment. With an overall length of approximately 39.5 cm, the tool provides useful reach for bicycle maintenance and repair work. It is suitable for compatible mountain bikes, road bikes, and other bicycles requiring rear derailleur hanger alignment checks.

Key Features

• Features a stainless steel measuring rod with a graduated scale for checking derailleur hanger alignment
• Provides 360-degree rotational adjustment for comparing measurements at multiple positions around the wheel
• Includes an aluminum alloy main body combined with stainless steel measuring components
• Allows rear derailleur hanger and dropout positioning to be checked and corrected during bicycle servicing
• Supports alignment work on compatible mountain bikes, road bikes, and other suitable bicycle frames

Specifications

• Product Type: Bicycle Derailleur Hanger Alignment Gauge
• Primary Material: Aluminum Alloy and Stainless Steel
• Color: Blue and Silver
• Product Dimensions: Approximately 39.5 cm Overall Length
• Product Weight: Approximately 0.483 kg
• Measuring Rod Span: Approximately 16.5 cm
• Upper Adjustment Section: Approximately 10.9 cm
• Adjustment Section Length: Approximately 7.5 cm
• Rotation Range: 360 Degrees
• Operation Type: Manual
• Parcel Dimensions: 44.5 x 11 x 4 cm

Package Contents
1 x Bicycle Derailleur Hanger Alignment Gauge