Product Description Specifications:Application:All Mountain, Trail, Cross Country, EnduroFunction:end caps convert to different axle standardsMaterial:AluminiumModels:15 x 100/110 mm: Convertible To: front thru-axle 15 x 100 mm, thru-axle 15 x 110 mmBase Model: front 9 x 100 mm quick release, 20 x 110 mm thru-axleCompatibility: Straight MX Front Disc 6-bolt hub (28 hole), Straight MX Front Boost Disc 6-bolt hub (28 hole)Manufacturer Number: 131033Contents:1 x Manufacturer: Syntace GmbH Stefan-Flötzl-Straße 6 83342 Tacherting Germany syntace@syntace.de