Shimano禧玛诺ST-RX810-LA用户指南用户手册产品说明书使用说明文档安装使用手册 GRX Single Lever for Adjustable Seat Post ST-RX810-LA For Disc Brake ITEM SHIMANO DESCRIPTION NO. CODE NO. 1 Y0E198010 Left hand name plate L and fixing screw 2 Y63X80010 Main lever support L 3 Y0E098030 Clamp ...