Profile Design 1/ZeroSeven Stem Black 7°x 120mm 31.8 On Sale The Bern Macon helmet's ThinShell

The Bern Macon helmet's ThinShell is a tried-and-true technology

Light weight and compressible to the size of a softball

Silk inhibits the growth of bacteria and is natural

thanks to our highly-adjustable Roc Loc 5 Air MIPS® system that allows you to customize fit/feel for great stability and long-range comfort

anti-theft active has been designed for the person on the go

Profile Design 1/ZeroSeven Stem Black 7°x 120mm 31.8 On Sale The Bern Macon helmet's ThinShellInformation: Simple, elegant, lightweight design can be run in negative or positive position for 7 7 in rise. 3D forged 6061 T6 aluminum combined with a 4 bolt faceplate provides increased stiffness. Features: Weight: 167g (100mm) Length: 70, 80, 90, 100, 110, 120, 130mm (7) Material: 3 D Forged 6061 T6 Aluminum Clamp Diameter: 31. 8mm Angle: 83 (7) Steerer Tube Diameter: 11 8in Stack Height: 40mm Clamp Width: 40mm Clamp Tourque: 5Nm Finish: Matte