VBESTLIFE Derailleur Hanger Alignment Tool, Bicycles Derailleur Hanger Alignment Gauge, Bike Tail Hook Calibration Tools for Mountain Bicycle (Red) Ride

• EASY TO USE: The tool threads directly into the derailleur hanger. The gauge bar holds a gauge which marks the distance to the wheel. The gauge then is rotated with the wheel to the 3, 6, 9, and 12 o'clock positions, noting any differences in measurements
• FUNCTION: Indispensable tool, can be used to both measure and straighten misaligned derailleur hangers solving a high percentage of shifting problems. Most notably with index shifting systems
• CONVENIENT AND QUICK: The derailleur hanger alignment tool adopts quality structure and telescopic measurement, more convenient and quick, lightweight and compact size
• HOW TO WORK: The alignment of the derailleur hanger is accomplished by applying pressure to the tool's arm. The results can be checked instantly
• SUIT FOR: 2 different colors for you to choose, meet your different needs. Suitable range: 26/27.5/29/700C

Feature: 1. FUNCTION: Indispensable tool, can be used to both measure and straighten misaligned derailleur hangers solving a high percentage of shifting problems. Most notably with index shifting systems 2.EASY TO USE: The tool threads directly into the derailleur hanger. The gauge bar holds a gauge which marks the distance to the wheel. The gauge then is rotated with the wheel to the 3, 6, 9, and 12 o'clock positions, noting any differences in measurements 3.HOW TO WORK: The alignment of the derailleur hanger is accomplished by applying pressure to the tool's arm. The results can be checked instantly 4.SUIT FOR: 2 different colors for you to choose, meet your different needs.Suitable range: 26/27.5/29/700C Specification: Condition: Brand New Item Type: Derailleur Hanger Alignment Gauge Material: aluminium alloy Optional Color: black, red Weight: Approx. 467g Suitable range: 26/27.5/29/700C Package List: 1 x Derailleur Hanger Alignment Gauge