Road bike gears have come a long way in the last decade, or have they? Ollie compares the newest mid-range Shimano 105 R7000 groupset with modern hydraulic disc brakes and 11-speed shifting, to the top tier Dura-Ace 7900 from 2008 to see the benefits of 'trickle-down' technology.

In association with Shimano: https://www.shimano.com

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Would you prefer older Dura-Ace or new 105?

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