Derailleur Hanger Alignment Tool – 304 Stainless Steel Bike Frame Calibration Gauge

Product Summary 

Product Name: Bicycle Derailleur Hanger Alignment Tool / Rear Derailleur Alignment Gauge

Key Features:

• High - Quality Material: Made of 304 stainless steel and carbon steel, ensuring durability and corrosion resistance.

• Precision Design: Mirror - polished surface for smooth operation and accurate alignment; helps calibrate bicycle frames precisely.

• Adjustable & Versatile: Compatible with 16 - 29 - inch bikes with M10 rear derailleur hangers; works with M3/M5 wrenches for assembly.

• Sturdy Construction: Net weight approx. 890g, providing stability during use.

• Safety Note: For hangers with excessive deformation, direct replacement is recommended (over - bending may cause breakage).

Specifications:

• Size: 410×160×75 mm

• Material: 304 Stainless Steel + Carbon Steel

• Color: Metal Original (Silver - like)

• Net Weight: ~890g

• Thread Type: M10 for rear derailleur hanger installation; compatible with M3/M5 wrenches.

• Applicable Wheel Size: 16 - 29 inches (for M10 - mounted rear derailleurs)

Package Includes:

1 × Bicycle Derailleur Hanger Alignment Tool