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Shimano GRX Disc Brake Caliper

Service Pages

Shimano Service Page

Manuals

Hydraulic Disc Brake / Dual Control Lever

Tools

8 mm Spanner

0.8 x 4 mm Slotted screwdriver

3 mm Hex Wrench

4 mm Hex 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)
Hose flare nut	5.0 - 7	62
Pad axle (BR-RX810, BR-RX400)	0.2 - 0.4	4
Pad axle (BR-RX820)	1.0 - 1.5	13
Caliper fixing screw	6.0 - 8	71

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