Product Description The for is compatible with the Syntace X-12 system, as used by Specialized, Cannondale, Intense, 3T and Canyon. Specifications:Over Locknut Dimension:rear: 142 mm, 148 mmAxle Diameter:Rear: 12 mmTechnical Information:Use:rear: 12 x 142 mm, 12 x 148 mmType:thru-axleAxle Material:aluminium (7075-T6)Axle Length:159 mm (12 x 142 mm), 165 mm (12 x 148 mm)Nominal Diameter:M12Thread Pitch:1.0Thread Length:12 mmCompatibility:Syntace 12 mm rear thru-axle systems (X-12)Features:with fixed conical stainless steel washer, protects the forkstiffer interface, protection against jamming5 and 6 mm hex fittingnon-Boost and Boost versionMade in the USA Note from the manufacturer:Always apply a small amount of grease to the washer and thread before installation.Manufacturer Numbers:12 x 142 mm:AXLE12159100X1212 x 148 mm:AXLE12165100X12Contents:1 x Wolf Tooth Components X-12 thru-axle Weight: black | 12 x 148 mm: 43 g black | 12 x 142 mm: 42 g Manufacturer: Wolf Tooth Components 6400 W 105th St Bloomington MN 55438 USA info@wolftoothcomponents.com Distributor: Cosmic Sports GmbH Leyher Straße 47 90763 Fürth Germany info@cosmicsports.de