How To Operate; Gear Position Control; Points To Remember When Shifting The Front - Shimano GRX RX 815 Series Dealer's Manual

HOW TO OPERATE

Gear position control

HOW TO OPERATE
Gear position control
[Gear position control] in this system is set to [Set] by default. Therefore, if you try to shift into
gear positions that would lower the chain tension, shifting switches may shift differently from
the basic operations.
The figure below shows the gear positions that would lower the chain tension and the shifting
operations performed when you shift into those gears.

Points to remember when shifting the front

When you shift the front into the smallest chainring, shifting is controlled as follows.
Gear position control (during front gear shifting)
Gear shifting status of the rear
From the smallest to the 2nd sprocket
Other than those mentioned above
When the front is shifted into the smallest
chainring
• The front derailleur does not shift.
• Instead, the rear derailleur is shifted down
through 2 gears.
The front gear shifts to the smallest chainring
(normal operation)
Intended operation on front
Rear gear shifting
operations
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