Material: full liquid post heat-treated seamless 4130 crmo Steerer tube size: 1 1/8" Steerer tube length: 170 mm Height: 318 mm Bearing race: integrated Dropout size: 10 mm Offset: 30 mm Compression bolt: 24x 1.5 mm Compression bolt tool: 6 mm hex key Extra info: laboratory tested, CNC machined laser cut 5 mm thick dropouts, fully cnc'd steerer and butted fork blades, mechanically formed fork legs, 1pc hydroformed fork leg for super strong, clean look, 2.5 tire clearance Weight: 1.015 kg (30 mm offset)