Is Less Weight Better Than Aero? Giant Propel vs Factor O2 VAM timed comparison

What's more important when cycling, weight is aero? To find out I've put a lightweight and an aero bike through a comparison test to discover the answer. This video features the brand new Factor O2 VAM weighing 6.3kg and the mid-range Giant Propel Advanced coming in at 7.8kg, but can more aero overcome the weight penalty? Supported by Saddleback Castelli clothing https://bit.ly/justridebikes Sidi shoes https://bit.ly/3tjQ8UP HJC helmet https://bit.ly/3sRiB2Z Content 0:00 Intro 1:24 Comparison test 2:19 Aero vs Weight debate 4:47 Lightweight bike 6:00 Aero bike 7:19 Testing results 11:00 Ride impressions 12:36 Which are you choosing? Buy Bikestow Stance stand here https://bit.ly/3LSZQXZ Follow me: Instagram:   / davidjarthur   Twitter:   / davearthur   Facebook:   / justridebikesvideo