UltraStem SL 98gr.
Once more a leader in design and performance, still with our original 4 bolts design.
Beware! You can find UltraStem copies. None of them will even get close to original UltraStem stiffness and performance.
Weights: 98, 102, 106, 110gr.
Lenghts: 100, 110, 120, 130mm.
Rise: reversible, +/- 4°.
Material: Special AL7075TX military standard.
Ergonomic design: round on the back side where leg contact is possible.
Oversized and ultra stiff: compare it's diameters.
Very efficient with your upper body energy.
Bolts: CNC, AISI A4 stainless steel.
Finish: matt black anodized.
Now it's lighter and even more resistant to abuses. Our new military standard alloy treatments doubles fatigue strenght.
Design and dimensional improvements are everywhere, mass and stress concentrations have been farther reduced.
New multiaxial machining allows material shaveing where it was impossible only few years ago.
Even front clamp has been totally redesigned and heat treated to minimize uncorrect bolt tightening consequences.
Still we strongly recommend you to care about tightening torque.
Thin threaded bolts pull parts with much higher efficency than larger threaded ones.
When you'll see it in flesh you'll realize it's an absolute performance sculpture.
Fatigue and strength tested, excedes UNI 10518 safety standards.
100% made in Italy