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Ergonomic shaping for reduced system frontal area
The stems have exceeded 2x the fatigue and static overload ISO requirements for racing bicycle steering components
In a world where every aspect of performance is measured and analysed
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The extensions have built in design features to help fine-tune your position through:
Izumi Super Toughness Kai Chain Tools Ergonomic shaping for reduced systemSpecifically designed for the Tokyo Olympics, this chain features a very slick, highly functional new coating on the plates, bushings and rollers which is said to reduce resistance and drag by 10% compared to the traditional Model V Super Toughness when used in combination with a high performance lubricant. This new technology also increases hardness, durability and corrosion resistance. Visit the our handy IZUMI Chain Guide for more information.