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In this video I upgraded an entry level BMC Teammachine SLR Five, with Shimano 105 and some Mavic Open Disc alloy wheels, with some latex tubes and some Vittoria Corsa race tyres. How much better does it roll and how does it compare to the top of the range BMC Teammachine SLR01 Two, with Dura Ace and DT Swiss carbon hoops? You'll have to watch to find out.

Speed test data https://docs.google.com/spreadsheets/...

#cycling #teammachine #upgrade