This high-performance cycling body by ASSOS is not only at the cutting edge of technology, but also our hearts. A steadfastly uncompromising design, we looked at this product through two filters: firstly, how to make this SpeedFire chronosuit as fast as possible; and secondly, how to allow the rider sufficient movement so they can suffer in comfort. This ASSOS cycling body employs a tech-savvy 3D weave to reduce drag, which was developed and refined in the wind tunnel. The bonded zips, reduced seams, raw cut legs and radio pocket contribute to the same aim: free speed.

Achieving ASSOS standards of comfort, the SpeedFire one-piece is our most high-tech body-hugging chronosuit and features our mille_S7 insert with memory foam. Since creating the world’s first skinsuit in 1978, we’ve been meticulous in defining the ultimate, anatomical fit so that this ASSOS one-piece will keep pace with your movements on the bike, no matter how hard you’re pushing. Cut in our racingFit to serve its purpose, there’s nothing to slow you down here. Bike racing at its finest, done the Speedfire way.

Cube Tex: A wind tunnel-developed material engineered to optimise the performance and speed potential of this chronosuit. Used throughout the top part of the chronosuit. A woven, jacquard 3D-structure, it is a microfibre textile that is incredibly quick drying.

Slide Tex: The shorts are made of our purpose-created Slide Tex. A flat weave compressor fabric that is incredibly lightweight with a low volume and 4-way stretch. High snagging and abrasion resistance.

mille_S7 insert: A revolutionary insert offering a deft balance of performance and comfort with 8mm of memory foam. For the purpose of this chronosuit, the insert has been positioned slightly further forward than in regular shorts.

ASSOS waffle: A unique three-layer foam used in our inserts with perforations that make it light and highly breathable.

ASSOS goldenGate: A patented technology which augments the performance of the insert by allowing the most fluent movement with the body.

racingFit: A fit that is is tighter and slightly more compressive than our alternative regularFit and comfortFit options. May feel restrictive out of of the riding position but feels like a second skin while riding and results in a higher performance, improved comfort and less drag.

Bonded elastic zip: All-new technology, the elasticated zip contours the body for fit and minimised drag.

Radio pocket: Designed for out-and-out racing by our partners Swiss Cycling and USA Cycling. This extra pocket provides a direct line of communication to your DS.

Raw-cut legs: Performance-focused technique to reduce drag and increase comfort.

ergoKompressor: Our intelligently balanced muscle compression approach that leverages performance gains thanks to its higher level of compression and lighter weight. The result is a snugger fitting, more compressive piece of apparel that is also faster drying. We’ve dubbed it the ‘clickFit.’

Collarless construction: A design trimmed to the essentials in the pursuit of minimising drag.


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