Technology
Major News: Shimano Launch New 12 Speed Wireless Dura Ace & Ultegra – Bicycling Australia
Shimano Launch Latest Dura Ace And Ultegra Groupsets, Wheels And More
By Nat Bromhead | 1 September 2021
While the jump to a 12-tooth cassette will no doubt be the headline feature, the new R9200 Dura Ace and R8100 Ultegra have wireless shifting with the derailleur being powered via the traditional seat tube battery, and…
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