jcchiou wrote:Shimano R8000...(恕刪) 你可以上Shimano SI查詢BR-R8000的DM,很遺憾ST-5600/6600都不在相容清單上,也就是屬於 The “NO!” symbols indicate combinations that should not be used under any circumstances. 裝上去會怎樣?可能槓桿比不對勁,按煞車會太靈敏或太鬆吧