Ultralight 5MM headset cap.Specifications:- Material: 6061-T6 Aluminum- Includes: Black aluminum screw- Weight (cap + screw): 5 mm, 12 g- Torque: 2-3 Nm only with light grease on the threadCompatibility:- 1 1/8´´ Upper Steerer Tubes (1 1/8´´ Straight or 1 1/2´´ to 1 1/8´´ Tapered)- Internal cylinder wall heights of 5 mm