Shimano NEXUS CS-C7000 Dealer's Manual - Page 28

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Installation/removal

Installation of the hub to the frame

When securing the brake arm to the frame, be sure to use an arm clip that matches the size of the

chainstay, and securely tighten them with the clip bolt and clip nut to the specified tightening

torque.

Use a lock nut with nylon insert (self-locking nut) as the clip nut. It is recommended that SHIMANO

made clip bolts, clip nuts, and arm clips be used.

If the clip nut comes off the brake arm, or if the clip bolt or arm clip becomes damaged, the brake

arm may rotate on the chainstay and cause the handlebars to jerk suddenly, or the bicycle wheel

may lock and result in serious injury due to a fall or collision.

If it is not installed correctly, braking performance will suffer. Be very careful when installing it.

If excessive force is applied to the brake arm to secure it, a problem such as noise will occur and the

wheel will become difficult to turn.

After installing the arm clip, check that the clip bolt protrudes approximately 2 - 3 mm from the

end face of the clip nut.

2 - 3 mm

Clip nut

Before using the bicycle, check that the brake works properly and that the wheel turns smoothly.

Brake arm

Arm clip

Clip bolt

(M6 × 16 mm)