stable, angle adjustment, 3D-forged aluminium ahead stem with 4 screw handlebar clamping, adjustable rise and 31.8 mm clamping diameter. Headlights or minicams from various manufacturers can be individually attached to the front of the stem with the optionally available faceplate. Specifications: - Clamp: 31,8 Mm- Safety Level 4- Material: Al 6061 T6- Fork Clamp: 25,4 Mm- Extension: 60 Mm- Quill Length: 180 Mm- Angle: 0 - +60°- Actual Height Gain: 110/150- Actual Length Gain: 60/40- Weight: ~400 G