Even the greatest champions realize defeat from time to time, and a time comes when their dominance is simply over. Similarly, the most advanced cycling shoe on the market, the Sidi Ergo 2 has been surpassed by its successor, the Ergo 3 Vent Carbon Shoes. It has all the same features that made the Ergo 2 such an enviable piece of gear that sponsored pros bought them and hid them under shoe covers adorned with another manufacturer's label. The elemental difference is the addition of venting in the sole to offer selectable airflow into the shoes and four-season comfort.
Sidi re-engineered the sole to allow for the venting. It shares the same construction method that they developed with their Carbon Lite sole, yet they've taken out 38 grams in the process. Even with the weight savings, you'll get the same kind of stiffness and razor sharp power transfer you've grown to expect from Sidi. Like Garneau's Ergo Air system, the vent inlet is at the toe. However, Sidi's system can be opened or closed depending on the temperature and your preferences. This, you can do on the bike if necessary. The airflow moves underneath and through the insole to cool your feet in sweltering summer temps.
While the sole is important, the closure system can make or break a shoe for us. The Ergo 3 has the same three component arrangement as previous Ergo shoes -- Ratcheting Caliper Buckle, Techno II Buckle, and Velcro Strap. The Ratcheting Caliper Buckle is mated to Sidi's Soft Instep Closure System strap that more evenly spreads the upward stroke pedaling forces across the top of your foot. The buckle on the outside of the foot provides a maximum of two clicks per uptake along with single-click releases, meaning that you can precisely tension the pressure of the strap, even during a race. The Techno II Buckle allows you to micro-adjust strap pressure, so the fit of your upper won't be too loose or too tight. No other system so precisely and so gently provides a custom fit. The Velcro strap on the toe is reinforced with integrated locking teeth to absolutely, positively resist slippage during crucial all-out efforts.
Sidi adds their improved Heel Security System (HSS) to keep your foot positively planted in the shoe. It's an adjustable, rigid composite band that closes the shoe more securely over your heel to anchor it in place around your Achilles. So no matter how much power you're pouring into the pedals, your heel will stay in place inside the shoe. It's a detail that allows you to cinch down the straps of your shoes less tightly -- giving you more comfort along with more security.
With a degree of engineered flex in the Vent Carbon Sole and a secure and slip-free heel, you won't have to worry about hot spots. And you don't have to worry about heat in the rest of your feet, either, thanks to the Ergo 3's combination of Lorica microfiber and ballistic mesh -- giving you comfort, fit, ventilation, and durability.
The Sidi Ergo 3 Vent Carbon Shoes are available in Red/white/black and White. They come in half sizes from 39-48. All the small parts on the Ergo 3 Shoes are fully replaceable. It's nice to know that you can wear your Sidi shoes for a decade's worth of riding. As wear and tear (and accidental damage) happens to your shoes, Sidi will be there to nurse them back to health.
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