Product Description The HAG Hanger Alignment Gauge from Abbey Bike Tools is suitable for checking and aligning derailleur hangers. Specifications:Function:adjusting derailleur hangersCompatibility:26" , 27.5" (650B), 29" , 700cTechnical Information:Material:steelFeatures:allows alignment of the derailleur hanger for precise and clean shifting operationsextremely low manufacturing tolerancesprobe can be locked so that the measurement can also be read againprobe can be stowed in the upper half of the tool to save spacevery compact with only 28 cm suitable for the most common wheel sizesManufacturer Number:Frm-Std-HAG Contents:1 x Abbey Bike Tools Hanger Alignment Gauge HAG Manufacturer: Abbey Bike Tools 295 SW Century Dr. Suite #201 Bend OR 97702 USA info@abbeybiketools.com Distributor: MERIDA & CENTURION Germany GmbH Blumenstraße 49-51 71106 Magstadt Germany vertrieb@merida-centurion.com