Shimano ACERA RD-M3020 (SGS) Rear Derailleur

ACERA Rear Derailleur (8/7-speed)

Component Diagram

The diagram illustrates the various components of the ACERA RD-M3020 rear derailleur. Key parts are numbered for reference in the table below.

Key Torque Specifications:

2.5 - 5 N-m [torque-symbol]
6 - 7 N-m [torque-symbol]
8 - 10 N-m [torque-symbol]

Required Tools:

3 mm hexagon wrench [wrench-symbol]
5 mm hexagon wrench [wrench-symbol]

Parts List

ITEM NO.	SHIMANO CODE NO.	DESCRIPTION	INTERCHANGEABILITY
1	Y3J898010	B-axle assembly
2	Y5Z0000D0	B-tension adjusting screw	B
3	Y5PA98020	Cable fixing screw (M5 x 8.1) and plate	B
4	Y5RL98020	Stroke adjusting screws (M4 x 13) and plate	A
5	Y3J898020	Cable adjustment barrel unit	A
6	Y5PA98060	Pulley screw 13.7 mm (2 pcs.)	A
7	Y5FT98030	Tension and guide pulley set	A
8	Y5XG10010	Inner plate	B

Interchangeability Key:

A: Same parts.

B: Parts are usable, but differ in materials, appearance, finish, size, etc.

Absence of mark indicates non-interchangeability.

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Component Diagram

Parts List

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