Thanks to Factor, Lightweight, THM Carbones, and Fabric for the products used in this video. All opinions expressed are the presenter's own. Subscribe to GCN: gcn.eu/SubscribeToGCN Register your interest in the GCN Club: gcn.eu/rF Get exclusive GCN gear in the GCN shop! gcn.eu/rG Two years in the making, Si and Matt take on one of the hardest races in the world, the Taiwan KOM Challenge. 108km of climbing, rising to over 3000m in altitude, against some of the strongest bike riders in the world, including Vincenzo Nibali!. This was a truly epic day out on the bike in every single sense of the word. Give it a watch and you'll be signing up for next years event

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