This is the DT Swiss X12 RWS 12 X 142mm Ratcheting Thru-Axle. This Thru Axle will only fit frames designated as compatible with X12 system Thru Axles. Features: 12 x 1.0mm thread pitch Up to 50% more clamping force than standard quick releases Lever can be rotated into an ideal position after tightening AL 7075 axle and Alloy lever Ratcheting system tightens skewers with turns rather than using a cam Specifications: Hub Spacing: 12 x 142mm (X-12) Thread Pitch: 1.0mm Overall Length: 162.5mm Thread Length: 15mm Axle Diameter: 12mm Color: Black Weight: 65g