Telescopic Measurement System: Features adjustable gauge bar with precise calibration indicators for accurate hanger alignment verification. The threaded mounting system ensures stable connection to various derailleur hanger types during adjustment procedures.
Multi-Position Verification: Designed to measure alignment at four critical clock positions (3,6,9,12 o'clock) for comprehensive hanger evaluation. The rotational verification method identifies even deviations affecting shifting performance.
Instant Correction Capability: Allows simultaneous measurement and adjustment through controlled pressure application. The calibrated arm provides visual feedback during straightening process for immediate results confirmation.
Material Composition: Constructed from lightweight aluminum alloy that maintains structural rigidity during adjustment procedures. The black anodized finish provides wear resistance while reducing glare during workshop use.
Compatibility Range: Accommodates most modern bicycle wheel sizes including 26, 27.5, 29 inch and 700C configurations. The universal threading system works with standard derailleur hanger interfaces across major bicycle brands.