Shimano GRX RX 815 Series Dealer's Manual page 61

INSTALLATION/REMOVAL
Installing junction [A]
8.
Wrap the handlebar with the handlebar tape.
Finally, wrap the handlebar with the handlebar tape, after installing the hydraulic brake
system.
(1) Cut off the end of the handlebar tape diagonally.
(2) Wrap the handlebar with the handlebar tape over the handle holders.
(1) (2)
Handle holder Handlebar tape
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