Jammed / bad shifting Shimano Ultegra ST-6700 10 speed shifter. Full rebuild.

Full rebuild appendix to the upcoming "Free Bike Workshop School". Today we go ahead disassembling, cleaning, greasing and assembling Shimano Ultegra 10 speed road shifter.

The tools you'll need:

Additional tools, that may help:

[bikemattic]

Thanks for this! My cable broke inside the shifter and jammed it, and I couldn't get it out. Your video helped me get it working again.

[danielribas]

That's the first time I watch a maintenance video and my conclusion is "i wouldn't dare trying to do it by myself, even with a video to guide me"

[luigibirillo]

Thanks, great video. I used your video as guidance when servicing a Dura-Ace 7900 right shifter. However, what a pain. It took 6-7 hours.

[aikedirkzwager]

very nice! It works again. Thanks very much for putting such work in it and putting it in you tube!

[SpokesEtc]

Thank you for this video, was able to save a customer's shifter because of it.

[SindreOsthagen]

Thanks for the detailed video! This is helping everyone making bicycling an even more resource friendly way of transportation activity. I enjoy you enthusiastic and insightful approach to this sport.

[thepie]

7 attempts but finally did it. Fantastic video, thank you! 🙏🏻

[koko_]

Absolutely amazing g to watch. My front shifter jammed and this gave me a lot of interest to take it apart and look. You’ve done something many would tell us impossible… ти chain bike shops. 😄

[davidburgess]

Thank you for reminding me why I never owned STI brifters! I've had LX rapid fire shifters apart despite the staked screws and corrected the spring that slipped off its stop. Lately I've taken refuge from technology by riding fixed gear only!

[stephanelouvet]

Nice ! with this video I repaired a jammed shifter (one pawl we see at 10:57 was stuck by rust) ! Thank you so much !
Few remarks though.
7:52 - This main shaft is secured by a pointy pressure screw. This tiny screw (1mm Hex) is located deep down the hole where you secure the side cover 17:59.
Then the main axle is free to slide out. Not need to do this move at 8:12
11:26 - There is also this centering pin which is locating the 1st block in place. The pin goes into a hole in the white plastic PCB support.
14:26 - It has been easier for me to place the trust bearing on the other part we see at 14:43 as it was well centered then.
14:58 - Mention we have to place the pawls under tension when reinstalling. We see you do it, yes. But a commentary would have help.
17:03 - I think I forgot to reattach a spring helping the brake lever return movement. I'll have to remove it again.

[fthat]

Dude i have this exact problem at this exact shifter, your video will be a huge help thank you so much

[felipemolina]

That's smart and effective work. thank you for posting this helpful video.

[racerboy]

Excellent video !! One of the best tutorials i’ve ever seen on YouTube. Thanks !!

[rfdhg]

Muchas gracias amigo, he podido arreglar la maneta gracias a tu video 👏👏🙂

[ganesanvengadesan]

It really felt like watching a watch master, fixing a rolex

[joeyjoey]

Great video, I have a 5700 right side shifter that is jammed, this is similar but still I'm having issues ldown shifting are rebuilding

[BleakVision]

Loved my bike with 6700! But wait a minute, there were electronics in the shifter, like in all of them? Never ever heard about that or noticed it.

[cabaneencac]

I end up here cause my almost brand new ( only 500km ) STI 4700 Tiagra whose small circular spring has decided to dislodge its end from its small hole making it so that the pawls no longer want to brake in each notch of the ratchet. In the upside down position which allows me to remove the bigger cover which is below the rubber hood , the pawl engage just by gravity but we can clearly see that he is loose and that nothing applies pressure to him so that he stays in the notches.it's so small to see that I can't even tell if the end of the spring is broken and if it is possible to reinsert it in its stop hole. Real Swiss watchmaker job that you can do
....Tabarnak long live bar-end shifters

[biking-places]

now that i've serviced an integrated shifter i think i can disassemble a nuclear reactor with my toes

[KacsaFacsaro]

can you make a video, how can I disassebly the brake lever unit? 3:32