DT-Swiss RWS Plug In Thru Axles. Features: Up to 50% more clamping force than a common quick release Safe and easy to use: tighten up the system by turning the lever by hand and then remove for a clean, aero look on road or to avoid potential damage from rocks, etc. when on trails X-12 mountain version is specific to Syntace X-12 142mm system When not using removable ratcheting hex handle saves roughly 30g per axle Specifications: Hub Spacing: 12 x 142mm (X-12) or 12 x 148mm (X-12) Thread Pitch: 1.0mm Overall Length: 162.5mm or 168.5mm Thread Length: 15mm Axle Diameter: 12mm Color: Black Weight: 69g (12 x 142mm)