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Striking the best possible balance between speed and support. This is the approach that kicks off every race-suit refinement, and in the case of developing the EQUIPE RS Rapidfire LS Chronosuit, we already had a damn good platform via the Speedfire with which to start the project.

As with all lower-body equipment in our S9 family, Rapidfire receives our A-Lock Engineering framework to brace the shorts and ensure they remain stabilized in the most difficult against-the-clock environments. Beginning there, just two panels are used, with a primary “butterfly” panel fully wrapping the legs and converging in the rear to form our ergoBox structure. This design effectively frames the insert in place and provides you with an ultra-comfortable wrap on your legs using our Type.701kompressor—a complex woven textile that delivers on all fronts using ultrathin yarns with super-high elasticity, yielding a near-frictionless weave that provides you with incredible comfort and muscle support. In other words, Type.701 becomes your second skin, delivering phenomenal structural hold, breathability, and a silky smooth, uninterrupted wrap along the low back and thighs.

In the insert department we applied our all-new CHRONO RS S9, evolved from our proven EQUIPE RS S9. To accommodate the aggressive forward position taken in the suit, we shortened the insert by 3cm in the rear and shifted the 9mm of superAir microShock foam forward.

Up top we borrowed our proven Cube textile from the Speedfire, which features an elastic jacquard 3D knit that’s been refined in the wind tunnel for drag-reducing speed. Bringing the suit together is a uniquely positioned zipper angled up the back left side, ensuring the suit’s wind-facing 3D fabric in the front is able to do its job, uninterrupted by a central fastener.
Type.701kompressor: A patented woven textile developed specifically for compressive hold and second-skin comfort. 160g/m2, UPF 50+, dyed-through yarns with infused odorControl, maximum abrasion-resistance, friction reduction, hydrophobicity, and heat management. Tuned elongation in front panel for added comfort.

Cube: Main textile on upper half of the suit, developed in the wind tunnel and featuring a woven jacquard 3D-structure that’s noted for exceptional moisture management, breathability, compressive qualities, and slippery speed.

A-Lock Engineering: S9 racingFit system comprising new textiles and technologies working in harmony to stabilize the shorts and secure the insert in place.

Butterfly Pattern: The primary textile panel fully wrapping the lower back and legs, coming together in the rear. Fewer seams leads to a more uniform hold, less weight, and greater comfort.

ergoBox: A square pattern construction that effectively frames the insert in the back, boxing it in for added stability.

CHRONO RS S9: Chrono-specific insert in 3D basalt colorway. 3cm shorter than EQUIPE RS S9 in the back, with targeted thickness at the front for optimal comfort and support in the more aggressive forward riding position.

superAir microShock foam: A lightweight open cell foam with a shock absorbing composition that returns to its original position, filling the gap every time pedaling position is changed in the saddle through the shift of weight.

3D waffle: A patented, three-layer perforated foam that increases breathability and eliminates excess weight.

goldenGate: A patented technology that interrupts the stitching along both of the insert’s side panels, allowing a more three-dimensional freedom of movement in this sensitive, rotational area.

Mesh Radio Pocket: Sewn high into the back panel for accessible yet out-of-the-way placement.

Falken Cut: ASSOS exclusive triangulated pattern on the abdominal area for ultra-smooth wrap.

Rear Zipper: Bonded zipper angled up the back ensures the suit’s wind-facing 3D fabric in the front is able to do its job, uninterrupted by a central fastener.

Collarless Construction: A design trimmed to the essentials in the pursuit of minimizing drag.

Raw-Cut Legs: Smooth wrap on the thighs with stay-put silicon dots strikes the best balance between comfort and aerodynamics.

aeroFit: Our trimmest, speed-focused cut that’s tighter and more compressive than our racingFit. May feel restrictive out of the riding position but feels like a second skin while riding.