Powered shifting – changing gear with an electrical signal not a traditional gear cable – isn’t strictly new, Suntour released its Browning Electronic AccuShift Transmission (snappily known as BEAST) ...
Dura-Ace 7900 has ample performance and cachet, but if you’ve already got 7800, there’s little reason to upgrade Shimano say their latest Dura-Ace 7900 group is the culmination of everything they've ...
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