Extralite UltraStem 25.4mm 4°

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  • Design and dimensioning are impressive, mass and stress concentrations have been further reduced. Now it's lighter and even more resistant to abuse. The new military standard alloy treatments double fatigue strength. When you see it the flesh, you'll realize it's an absolute performance sculpture.

    • Length: 90, 100, 110, 120mm
    • Steer tube clamp diameter: standard 1 1/8".
    • Design: ergonomic, rounded on the back side where leg contact is possible.
    • Ultra stiff structure: very efficient with your upper body energy.
    • Material: totally cnc'd from AL 7075 Txx.
    • Bolts: special cnc Grade5 Titanium.
    • Angles: reversible, +/- 4 °.
    • Fork Clamp height: 42mm.
    • Graphics: Laser etched.
    • Finish: black anodized.
    • Equipped with new special Grade5 titanium Torx bolts.


    Fatigue and strength tested, exceeds UNI 10518 safety standards.

    UltraStem UL3

    • Weight: 82g (90mm), 86g (100mm), 91g (110mm), 95g (120mm) (+/-1g)
    • Bar clamp diameter: Mtb standard 25.4mm


    New multiaxial machining allows material shaving where only few years ago was impossible.
    Once more a leader in design and performance, still with the original 4 bolts design. UltraStem OC

    Weight: 82g (90mm), 85g (100mm), 90g (110mm), 96g (120mm).(+/-1g)
    Bar clamp diameter: Mtb standard 31.8mm
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This item is crafted in Italy