Shimano GRX RX 815 Series Dealer's Manual page 4

Checking the chain length .................................................................115
Adjusting the rear derailleur .............................................................117
• Adjusting the end adjustment screw .................................................................................. 117
• Gear shifting adjustment in adjustment mode .................................................................. 119
• Adjusting the stopper bolt .................................................................................................. 121
Adjusting the front derailleur ...........................................................123
• Checking bolt positions ........................................................................................................ 123
• Adjusting the top side .......................................................................................................... 124
• Adjusting the lowest position in adjustment mode ........................................................... 125
• Adjusting the top position in adjustment mode ................................................................ 127
Adjusting the dual control lever .......................................................130
• Adjusting the reach .............................................................................................................. 130
• Adjusting the free stroke ..................................................................................................... 131
Charging the battery ...........................................................133
External type ......................................................................................133
Built-in type ........................................................................................134
CONNECTION AND COMMUNICATION WITH DEVICES .........138
E-TUBE PROJECT .................................................................................138
• System requirements ............................................................................................................ 138
About wireless functions ...................................................................139
• Compatible cycle computers ................................................................................................ 139
• Functions ............................................................................................................................... 139
Items configurable in E-TUBE PROJECT ............................................139
Shift mode setting (synchronized shift) ...........................................140
• Semi-synchronized shift ....................................................................................................... 140
• Synchronized shift ................................................................................................................ 142
MAINTENANCE ......................................................................143
Replacing the brake pads ..................................................................143
SHIMANO genuine mineral oil replacement ....................................143
• Draining the mineral oil ....................................................................................................... 143
• Adding mineral oil and bleeding air ................................................................................... 148
4