Shimano DURA-ACE ST-7970 Manual - Page 8
Browse online or download pdf Manual for Bicycle Accessories Shimano DURA-ACE ST-7970. Shimano DURA-ACE ST-7970 17 pages. Dual control lever. flight deck compatible.
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4.
While turning the crank arm, operate shifting switch (X) to move
the guide pulley toward the inside until the chain touches the 4th
sprocket and makes a slight noise.
Next, operate shifting switch (Y) 4 times to move the guide pulley
toward the outside by 4 steps to the target position.
Operate 4 times
4 steps
Press the button at junction (A) until the red LED turns
off in order to switch from rear derailleur adjustment
mode to gear shifting mode.
Shift to each gear and check that no noise is generated
at any gear position.
If fine adjustment is needed, switch back to adjustment
mode and readjust the rear derailleur.
Button
Turned off
7