Head into Spain’s picturesque Miraflores mountains with our top engineers and testers as they enter the final DURA-ACE prototype testing phase. Former pro cyclist Karsten Kroon will walk you through his final impressions of the groupset, including the shifting, from a professional rider’s perspective.
It is here in the final phase where the components join together to create a “total system”. If the rider feels one with his bike, then it’s a success. What is Karsten’s verdict? Click to see how it all unfolds.