{"product_id":"alpecin25-29","title":"Aero Shoe Cover Spatz Windsock Zwift |Alpecin Deceuninck |Kalas  Pro Cycling Kit","description":"\u003ch2\u003eAlpecin-Deceuninck Pro Issue Spatz Windsock Aero Shoe Covers\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eNote: small year in side\/underside of exterior layer, shown in photos. \u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDeveloped in the wind tunnel, proven in the biggest races and built for riders obsessed with free speed.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eAlpecin-Deceuninck Pro Issue Spatz Windsock Aero Shoe Covers\u003c\/strong\u003e bring some serious aerodynamic technology to one of the most exposed areas of the rider.\u003c\/p\u003e\n\u003cp\u003eDeveloped by British performance specialists \u003cstrong\u003eSpatzWear\u003c\/strong\u003e, the Windsock concept has been raced to victory at the \u003cstrong\u003eTour de France, Tour of Flanders, Paris Roubaix, Milan San Remo and the UCI Gravel World Championships\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe construction combines a sleek, stretchy and waterproof section around the shoe with a tall \u003cstrong\u003estriated aerodynamic fabric\u003c\/strong\u003e around the lower leg. The aero material is carefully shaped to follow the contours of the ankle and maintain a smooth surface through the pedal stroke, reducing the wrinkles and creases that can disrupt airflow.\u003c\/p\u003e\n\u003cp\u003eSpatz has taken the Windsock into the wind tunnel at the \u003cstrong\u003eSilverstone Sports Engineering Hub\u003c\/strong\u003e, testing its aerodynamic performance across different speeds and yaw angles. The technology has been developed with one clear objective, reducing drag and giving professional riders another opportunity to save watts.\u003c\/p\u003e\n\u003cp\u003eDurability has also been taken seriously. A \u003cstrong\u003eKevlar reinforced toe area\u003c\/strong\u003e protects one of the most vulnerable sections of an aero shoe cover, while internal silicone heel grippers help lock the cover against the shoe and prevent it riding upwards during racing.\u003c\/p\u003e\n\u003cp\u003eThe tall leg section creates the smooth aerodynamic silhouette seen throughout the professional peloton while remaining within UCI height regulations.\u003c\/p\u003e\n\u003cp\u003eFor Alpecin-Deceuninck, this is exactly the kind of marginal gains equipment you'd expect to see paired with the team's aero socks, race suits and other specialist equipment when outright speed is the priority.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThese are genuine professional team issue Spatz aero shoe covers.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Alpecin-Deceuninck professional team issue aero shoe covers\u003c\/li\u003e\n\u003cli\u003eDeveloped by British performance specialists SpatzWear\u003c\/li\u003e\n\u003cli\u003eWind tunnel tested aerodynamic design\u003c\/li\u003e\n\u003cli\u003eStriated aero fabric around the lower leg\u003c\/li\u003e\n\u003cli\u003eWaterproof and stretchy main shoe panel\u003c\/li\u003e\n\u003cli\u003eFabric shaped to follow the ankle and reduce creasing during the pedal stroke\u003c\/li\u003e\n\u003cli\u003eTall professional aero construction\u003c\/li\u003e\n\u003cli\u003eDesigned to comply with UCI height regulations\u003c\/li\u003e\n\u003cli\u003eKevlar reinforced toe area for improved durability\u003c\/li\u003e\n\u003cli\u003eInternal silicone heel grippers help prevent movement\u003c\/li\u003e\n\u003cli\u003eSecure closure positioned behind the cleat and pedal interface\u003c\/li\u003e\n\u003cli\u003eDesigned for maximum aerodynamic efficiency at racing speeds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWind Tunnel Developed\u003c\/h3\u003e\n\u003cp\u003eSpatz has subjected its Windsock technology to dedicated wind tunnel testing rather than simply relying on the appearance of an aerodynamic fabric.\u003c\/p\u003e\n\u003cp\u003eTesting at the Silverstone Sports Engineering Hub examined performance across varying speeds and yaw angles, allowing Spatz to refine the fabrics, fit and construction to reduce aerodynamic drag.\u003c\/p\u003e\n\u003cp\u003eYour shoes and lower legs sit directly in the airflow throughout a ride. Smoothing this area gives professional riders another opportunity to reduce resistance without producing any additional power.\u003c\/p\u003e\n\u003ch3\u003eRace Proven\u003c\/h3\u003e\n\u003cp\u003eThe Spatz Windsock platform has been worn to victory at some of the biggest races in cycling, including \u003cstrong\u003eTour de France stages, the Tour of Flanders, Paris Roubaix and Milan San Remo\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eWhen races are decided by centimetres, equipment like this is exactly why WorldTour teams obsess over every possible marginal gain.\u003c\/p\u003e\n\u003ch3\u003eSize Guide\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmall:\u003c\/strong\u003e EU 38 to 42\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedium:\u003c\/strong\u003e EU 43 to 45\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge:\u003c\/strong\u003e EU 46 to 49\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCondition\u003c\/h3\u003e\n\u003cp\u003eAvailable in both new and rider used condition depending on the individual pair.\u003c\/p\u003e\n\u003cp\u003eComplete your aero setup with genuine Alpecin-Deceuninck team issue Spatz equipment and chase the same marginal gains demanded at the highest level of professional cycling.\u003c\/p\u003e","brand":"Kalas","offers":[{"title":"S \/ Used (fair) \/ Black","offer_id":54728686305559,"sku":"ALPE25-33","price":29.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/8619\/8295\/files\/3C8BFCC5-2F78-40C9-AF78-9AC397B5219A.jpg?v=1787189286","url":"https:\/\/www.prokitclub.com\/products\/alpecin25-29","provider":"Pro Kit Club","version":"1.0","type":"link"}