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In this video, we compare and review Shimano 105 versus Shimano Ultegra versus Shimano Dura-Ace mechanical groupsets. Key points we cover include price and weight differential, shifting and braking performance, and alignment to different riding styles and budgets.

Shimano Australia don't appear to have list prices, so pricing varies in Australia:
Shimano 105: $900
Shimano Ultegra: $1,500
Shimano Dura-Auce: $3,300

The weight of these Shimano groupsets (taken from Weight Weenies):
Shimano 105: 2576 Grams
Shimano Ultegra r8000: 2376 Grams
Shimano Dura-Ace 9100: 2045 Grams

Thank you to Darcy from Hampton Cycles for providing his racing and bike building experiences/perspectives on these three different groupsets from Shimano.