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STI Shifters
#1
Can anyone explain how to change the gear cable on these shifters or piont me in the direction of a diagram

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#2
I'm assuming these are "road" shifters?
Shimano tech' sheet:-<br />
http://techdocs.shimano.com/media/techdocs/content/cycle/SI/SI_6C80D_001/SI_6C80D_001_En_v1_m56577569830621374.pdf
Basically-<br />
Operate the gear lever into the number 1 position. (small rear lever and high gear) (pull on the cable if disconnected)<br />
Pull the brake on and look at the outer side of the lever bit and you will see a small 4mm hole. You won't see it until you pull the brake.<br />
Now if you push the gear cable the end should pop out of this hole.<br />
You can only do this with the gear ratchet in the No. 1 position ( small sprocket)

Ride hard or ride home alone!
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#3
Have managed to fit new cable however there is no progression from one gear to the next it keeps returning to the lowest gear I think I may have damaged the mechanism there is no click on the gears as the lever moves up.

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#4
Did it work before you changed the cable?
Squirt some release oil (WD40)? inside the mechanism.<br />
Work it a few times and it may release.<br />
The ratchet could have seized.<br />
You may be able to strip the unit down but if you do then be very careful with the parts.<br />
I don't think you can get spare parts for Shimano?

Ride hard or ride home alone!
  Reply
#5
it did work before I disconnected it but not very well as though there already was a problem with it

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