One Holland, Irvine, California 92618, U.S.A. Phone: +1-949-951-5003
High Tech Campus 92, 5656 AG Eindhoven, The Netherlands Phone: +31-402-612222
3-77 Oimatsu-cho, Sakai-ku, Sakai City, Osaka 590-8577, Japan
Please note: specifications are subject to change for improvement without notice. (English)
© May 2019 by SHIMANO INC. ITP
Operation
Braking operation
Gear shifting operation
Be sure to keep turning the crank during the lever operation.
Caution on operation
Both lever A and lever B always return to the start position when they are released after
shifting.
Do not push levers A and B simultaneously. When the levers are pushed simultaneously,
the gears will not shift.
* Some models allow two-step gear shifting.
Operation of levers
Front
Rear
Shifts from
smaller to
larger
sprocket
Lever A
start position
Lever A
start position
1 Click
2 Click
1
2
4 3
5
Shifts from
larger to
smaller
sprocket
Lever B
start position
Lever B
start position
4 3
ST-RX810-LA
1
Operate the lever C in the direction
indicated with the arrow
2
Adjust the height of the seat
3
Release the lever once the seat is at the
appropriate height
Lever C
start position
1
2
Trimming (noise prevention mechanism) operation
If the front derailleur comes into contact with the chain and makes noise, perform the following
operation to eliminate the noise.
Chain
position
Trimming
operation
Chain
position
Trimming
operation
Lever operation
Lever operation
Largest
chainring
Smaller
sprockets
Lever A
(Hits)
Click
Largest
chainring
Larger
sprockets
Click
Lever B
(Hits)
Smaller
sprockets
Smallest
chainring
Smallest
chainring
Larger
sprockets