Shimano MTB SHADOW RD-M781 - User Manual

(English)
DM-RD0001-05
Dealer's Manual
MTB Rear Derailleur
MTB SHADOW RD+
RD-M986
RD-M820
RD-M786
RD-M675
RD-M640
New
RD-M615
MTB SHADOW RD
RD-M981
RD-M781
RD-M670
New
RD-M610
RD-M4000
RD-M3000

Summary

Important Notice

To Ensure Safety

Installation

Direct Mount

Describes mounting derailleurs on compatible frames.

Replacing with Direct Mount Type

Details removing and replacing direct mount types.

Mode Converter (RD-M820)

Explains the use and removal of the mode converter for RD-M820.

Adjustment

How to Use the End Adjust Bolt (SHADOW RD+)

Guides on using the end adjust bolt for SHADOW RD+ adjustment.

Checking the Distance Between Sprocket and Guide Pulley (RD-M820;M640)

Procedure for checking pulley-sprocket distance for specific models.

SIS Adjustment (SHADOW RD+)

Step-by-step instructions for SIS cable adjustment on SHADOW RD+.

Maintenance

Replacing the Bump Stopper;Holder (RD-M820)

Instructions for replacing the bump stopper/holder on RD-M820.

Replacing the Plate and Plate Tension Spring (RD-M986)

Procedure for replacing the plate and tension spring on RD-M986.

Replacing the Plate and Plate Tension Spring (Except RD-M986)

Procedure for replacing plate and tension spring on models other than RD-M986.

Replacing the B Tension Spring (RD-M4000; RD-M3000)

Guide for replacing the B tension spring on specific models.

Friction Adjustment (RD-M986)

Steps for adjusting friction on RD-M986.

Friction Adjustment (Except RD-M986)

Steps for adjusting friction on models other than RD-M986.

Applying Grease to the Chain Stabilizer

Instructions on applying grease to the chain stabilizer.

Replacing the Pulley

Procedure for replacing the guide and tension pulleys.

Shimano MTB SHADOW RD-M781 Specifications

General

Series	DEORE XT
Model Number	RD-M781
Speed	10-speed
Total Capacity	43T
Max Rear Sprocket	36T
Min Rear Sprocket	11T
Shadow RD Design	Yes
Cage Size	GS
Mount Type	Direct Attachment
Max Front Difference	22 teeth