Shimano 105 Di2 R7100 is coming - CyclingTips
by James Huang photography by Shimano September 13, 2021 6 minute read Shimano’s recent launch of its next-generation Dura-Ace Di2 R9200 and Ultegra Di2 R8100 electronic road groupsets was bundled with a rather unexpected and especially bitter pill: the news that the much-beloved Ultegra mechanic...
girled [シマノ][自転車][ロードバイク][コンポーネント][機械][サイクリング] 105 Di2 は魅力。12速なのかセミワイヤレスなのか