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Shimano GRX Rear Derailleur

Service Pages

Shimano Service Page

Manuals

Rear Derailleur

Tools

3 mm Hex Wrench

4 mm Hex Wrench

2 mm Hex Wrench

#2 Phillips screwdriver

5 mm Hex Wrench

T27 Torx Wrench

Torque Values

Warning: Incorrect tightening of bicycle components can lead to damage, accident, injury, or even death. The accuracy of provided values is not guaranteed; always check directly with the manufacturer.

Nm in lbs

Bolt Name	Torque (Nm)	Torque (in lbs)
Pulley screw	2.5 - 5	44
Plate axle	8.0 - 10	89
Cable fixing bolt	6.0 - 7	62
Frinction torque (RD-RX820, RD-RX810, RD-RX400)	3.0 - 4.9	43
Friction torque (RD-RX812)	2.6 - 4.2	37
Mounting screw	8.0 - 10	89
Bracket axle (direct mount type)	8.0 - 10	89
Plate unit cover screws	1.0 - 1.5	13
Plate stopper pin	1	9
Friction torque (RD-RX822)	4.4 - 5.4	48

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