Extralite HyperStem Stealth (12°)
The world's lightest aluminium stem
HyperStem, 71g.(80mm, 12° angle)
Black on black finish
Stiffer, lighter, tougher.
Excedes the EN safety standard requirements so much that Extralite can recommend it for Enduro.
Weight: 71, 75, 80, 84, 89g.
Length: 80, 90, 100, 110, 120mm.
Bar clamp diameter: 31.8mm / oversize std.
Steer tube clamp diameter: standard 1 1/8".
Ultra stiff structure: very efficient with your upper body energy.
Material: totally 3D cnc'd from AL 7075 Txx.
Bolts: special CNC Grade5 Titanium, black colour
Angles: reversible, +/- 12°.
Fork Clamp height: 38mm.
Graphics: Laser etched.
Finish: black anodized.
Design and dimensioning are impressive,mass and stress concentrations have been further reduced.
When you see it the flesh you'll realize that it's an absolute performance sculpture.
Fatigue tested for months, down to boredom.
But it generously payed us back with exceptional results.
Fatigue and strength tested, exceeds UNI 10518 safety standards.
100% made in Italy