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GRX RX 815 Series
Shimano GRX RX 815 Series User Manual
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(English)
DM-RX815-00
Dealer’
s Manual
ROAD
MTB
Trekking
City Touring/
Comfort Bike
URBAN SPORT
E-BIKE
RX815 series
SHIMANO GRX
ST
-RX815
FD-RX815
RD-RX815
RD-RX817
SHIMANO
SW-R9150
SM-EW90-A
SM-EW90-B
EW-RS910
EW-WU111
EW-SD50
EW-SD50-I
EW-JC130
SM-EWC2
SM-JC40
SM-JC41
SM-BTR1
BT
-DN110
BT
-DN110-A
BM-DN100
SM-BA01
SM-BCR1
SM-BCR2
SM-BCC1
2
Table of Contents
Contents
2
Table of Contents
2
Important Notice
6
To Ensure Safety
7
List of Tools to be Used
26
Installation/Removal
29
OVERALL WIRING DIAGRAM (External Battery Specifications)
29
Wiring Example for Installing Junction [B] on the Outside
29
Wiring Example for Installing Junction [B] on the Inside
32
OVERALL WIRING DIAGRAM (Built-In Battery Specifications)
34
Wiring Example for Installing Junction [A] on the Outside
34
Wiring Example for Installing Junction [A] on the Inside
35
Wiring Diagram Around the Cockpit
37
Wiring Example for Installing Junction [A] on the Outside
37
Wiring Example for Installing Junction [A] Inside the Handlebar
38
Wiring Example for Installing Junction [A] Inside the Frame
39
Handling Electric Wires
40
Connecting the Electric Wire
40
Disconnecting the Electric Wire
41
Insertion Direction of the Electric Wires for Built-In Use
42
Finishing for External Wiring
42
Finishing for Internal Wiring
44
Temporarily Installing the Dual Control Lever
46
St-Rx815
46
Installing the Shifting Switches
50
Sw-R9150
50
Installing Junction [A]
54
External Type
54
Built-In Bar End Type
57
Built-In Frame Type
62
Installing the Wireless Unit
63
Temporarily Installing the Front Derailleur
65
When There Is a Mounting Boss on the Seat Tube
65
When There Is no Mounting Boss on the Seat Tube
66
Connecting the Electric Wire
69
Installing the Rear Derailleur
71
Standard Type
71
Direct Mount Type
73
Connecting the Electric Wire
75
Installing the Battery
76
Installing the External Battery
76
Installing the Built-In Battery
84
Installing Junction [B]
87
External Type
87
Built-In Type
90
Checking Connections
93
Securing the Front Derailleur
94
Preparations
94
Securing the Front Derailleur
96
Installing the Disc Brake Rotor
99
Installing the Brake Caliper
99
Installing the Brake Hose
99
Overview of the Easy Hose Joint System
99
Checking the Length of the Hose
100
Cutting the Hose
101
Connecting the Hose
107
Securing the Dual Control Lever
112
How to Operate
113
Gear Position Control
113
Points to Remember When Shifting the Front
113
Points to Remember During Rear Gear Shifting
114
Checking the Chain Length
115
Adjustment
115
Installing the Chain
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
Replacing the Brake Hose
164
Checking and Cutting the Hose Length
164
Installing the Brake Hose (Lever Side)
165
Installing the Brake Hose (Caliper Side)
168
Adjustment When the Pistons Are Not Operating Correctly
170
Replacing the Bracket Cover
170
Replacing the Pulleys
172
Applying Grease to the Chain Stabilizer
173
Adjusting Friction
176
Rd-Rx815
176
Rd-Rx817
180
Replacement of the Plate and the Plate Tension Spring
183
Removal
183
Installation
186
5
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Shimano GRX RX 815 Series Specifications
General
Brand
Shimano
Model
GRX RX 815 Series
Category
Bicycle Accessories
Language
English
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