7
TO ENSURE SAFETY
• Securely tighten the caliper brake fixing nuts to the specified tightening torque. If the
nuts become loose and the brakes fall off, they may get caught up in the bicycle and the
bicycle may fall over. In particular, if this happens with the front wheel, you may be
thrown forward and seriously injured.
• Use lock nuts with nylon inserts (self-locking nuts) for nut-type brakes.
• For sunken nut-type brakes, use sunken nuts of the appropriate length which can be
threaded onto the fixing screw for at least six full turns. When re-assembling, apply a
threadlocker to the nut threads.
• Brakes designed for use as rear brakes should not be used as front brakes. Also, brakes
designed for use as front brakes should not be used as rear brakes.
• Make sure to use the dedicated brake shoe for the shoe holder of the BR-R9210-F /
R8110-F / RS811-R. The conventional brake shoes have different fixing positions
preventing the fixing screw from being tightened, which will cause the brake shoe to
come off and disable braking.
Dedicated brake shoes:
R55C4 / R55C4 (for carbon rim) / R55C4-A (for carbon rim) / R55CT4
• Do not install the shoe and shoe holder on the wrong side. There are two different types
of shoe and shoe holder for the left and right respectively. Take note of the correct
directions and screw hole positions for inserting the shoes.
BR-R9210-RS / BR-R8110-RS
• BR-R9210-RS / BR-R8110-RS is designed for use as a
rear brake and should not be used as a front brake.
BR-R9210-F / BR-R8110-F (front brake) and BR-
R9210-RS / BR-R8110-RS use different shoe holders
and internal parts.
BR-R8110-F
BR-R8110-RS
Shoe holder
BC-9000
BC-9000 (polymer coating brake cable) has low frictional resistance; therefore, be sure
to observe the following instructions. If not observed, the holding force of the brake
cable will not be sufficient causing the brake cable to slacken, a loss of brake control
and possibly severe injury.
• Make sure to use it in combination with a brake in the BR-R9210 / BR-R8110 / BR-RS811-R
series.
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