Shimano XT RD-M8120 Rear Derailleur


The last time we saw an update to Shimano’s workhorse XT group was back in 2015 when they made the switch to 11-speed. Fast forward four years and XT gets another refresh, so it comes as no surprise that Shimano’s new XT RD-M8120 Rear Derailleur makes the move to 12-speed, along with other…

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