The American MotoGP race weekend at the iconic Circuit of the Americas is a celebration of American racing, and no rider symbolises success like three-time consecutive 500cc Grand Prix World Champion Kenny Roberts Sr.
The Californian is a racing icon: the first American to win a Grand Prix motorcycling world championship, a two-time winner of the AMA Grand National Championship, and one of few riders to win the AMA Grand Slam.
King Kenny enjoyed 60 starts in 500cc racing, securing 24 wins, 44 podiums, 22 poles and 27 fastest laps as he dominated the class. Regarded as a legend of the modern era, the Kenny Roberts Sr. Limited Edition Supertech R recognises King Kenny’s racing success, his revolutionary riding style and his bravery. Featuring all of the technical innovations of Alpinestars’ class-leading Supertech R boot, the special colorway allows fans to enjoy a distinctive, premium race boot fit for Champions.
Alpinestars’ most iconic road riding boot worn by a roster of the fastest world champions past and present, the Supertech R features performance innovations, including a redesigned compound rubber sole, an ergonomically profiled shin plate and a redesigned front flex area – all of which enhance the podium winning performance of this CE-certified boot.
Technical microfiber upper construction offering superb levels of flexibility, while the lightweight rubber compound sole offers excellent grip and feel and allows for natural flex as the rider changes position and pressure on the foot-peg.
Newly designed external TPU shin protection is ergonomically shaped and wraps around to outer calf and is engineered to spread and dissipate impact energy across the entire surface while remaining compact, while the replaceable polymer heel plate slider protects from impact and reduces friction in the event of a crash.
INNER ANKLE BRACE SYSTEM:
Separate internal bio-mechanical ankle brace works with the outer structure of the boot to form a protective system allowing full and free movement of the foot, ankle and leg. New research has produced re-profiled double-hinged inner and outer torsion bars to give greater impact protection to the ankle by progressively absorbing flex and rotation stress, reducing pressure and hyper-extension injury to the lower leg joints.
MotoGP Technology for Alpinestars customers
First conceived at the end of the 1990s, the first generation Supertech boot was launched into the market in 2002 and immediately redefined the standards by which road racing footwear was measured – so revolutionary was its concept and construction.
Having been through multiple updates following constant development of every part of the boot, the Supertech R today represents the pinnacle of racing innovation for track and road use. Every component is meticulously engineered for high performance protection, precision and flexibility; technology used by Alpinestars athletes in MotoGP and WSBK, MotoAmerica, BSB and all other championships where Alpinestars riders are competing is available throughout its global dealership network ensuring that Alpinestars passes all the benefits of this development and track testing research directly to customers who enjoy the boots for their everyday riding on the road and track.
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