Giant's SLR 0 Carbon Aero wheels are paired with unbranded Vittoria Corsa tubular tyres. Arndt's bike weighed in at 6.87kg with empty bottles and would come under 6.8kg without them.

Giant claimed its new Propel Advanced SL 0 was the most aerodynamic bike in the world, a claim repeated by the media outlets who reported on it. Big words, but I wanted to test it and see for myself.

Fork: Giant Advanced SL Grade Brakes: Shimano Dura-Ace 9100 Brake/Shifter levers: Shimano Dura-Ace 9150 ... Bottle cages: Elite Custom Race Plus, pink edition for Giro d'Italia leader ...