Product Description The rear thru axle by Surly - subtle and unobtrusive. The Surly rear thru axle is suitable for Surly thru-axle compatible frames and does not detract from the beautiful frames' appearance due to its low profile. Specifications: Over Locknut Dimension: 142 mm, 177 mm, 197 mm Axle Diameter: 12 mm Technical Information: Use: rear: 12 x 142 mm, 12 x 177 mm, 12 x 197 mm Type: thru-axle Axle Material: aluminium (7075) Nominal Diameter: M6 Thread Pitch: 1.0 Models: 12 x 142 mm: Over Locknut Dimension: 142 mm Axle Diameter: 12 mm Compatibility: Midnight Special, Instigator, Legacy Karate Monkey, Legacy Krampus Manufacturer Number: FS1175 12 x 177 mm: Over Locknut Dimension: 177 mm Axle Diameter: 12 mm Compatibility: Wednesday Manufacturer Number: FS1177 12 x 197 mm: Over Locknut Dimension: 197 mm Axle Diameter: 12 mm Compatibility: Ice Cream Truck, Big Fat Dummy Manufacturer Number: FS1178 Contents: 1 x Surly rear thru axle Manufacturer: Surly 6400 W 105th St Bloomington MN 55438 USA derby@surlybikes.com Distributor: Cosmic Sports GmbH Leyher Straße 47 90763 Fürth Germany info@cosmicsports.de