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How do you dismantle? Get spring out to clean? Tvm

Thank you brother

If that spring/pivot is stuck fixed, can that cause the chain to skip ? New chain and new sprockets.

Possession of a pair of disembodied dowtube shifter bosses is high-grade shaman shit. If you wore that as an amulet around your neck, i promise that NOBODY will dare to fuck with you, not even cybernetic vampires. Stay blessed, and thanks for an informative video.

Ive seen this narcissistic shitbag salesman 1000 times.

Kurp is such an idiot on China. Baffling

Hello! What is the liquid bath you throw this into? 🙏 thanks

i have a really old shimano SIS rear derailleur with no B screw, can i do this so it has better chain retention? as is is it is slipping when i pedal hard

Bruh its not that easy youre making it look

Thank you, this helped me a lot!!

A very interesting video - now I know how they work; thank you - I never dared to take mine apart! For a while, these were supplied with Allen key screws to attach them to the frame. The versions using a flat blade screwdriver get a bit chewed up over time, as per those used for your excellent demonstration. I wonder if the Allen key screws are available as spares?

Thank you for your video. You helped me figure out where the leftover part went when I was putting it back together. @6:30, RE: The tricky bit: my derailleur was a bit worn and it was quite difficult to load the B-spring while holding the derailleur body at the same time-- the spring kept slipping out of the groove inside the parallelogram and was starting to round out the top of the groove. I mounted the bracket axle bushing upside-down in a vise and, with the pulley cage removed, assembled the parallelogram on to the axle bushing. While pushing down and rotating the parallelogram, I had finer control over the rotation and got the tab on the bracket over the stop on the parallelogram. After that, putting the C-clip on was easy the easy part. Thanks again.

Can you do a Shimano 600ex crank set, or brake caliper set .. what kind of black paint is to be used.

Hi, great video! Would you use this group to mount a gravel bike? I found a Columbus sl tubeset with this group mounted for a reasonable price. Thanks!!

Thanks, this helped a lot with my Shimano 600 repair. Greetings from Zeeland

Can you say what paint you used?

What kind of paint do you use? I have an arabesque too, and I would like to do the same

This is for the alternate universe left drive bicycle

The mechanism is the same as "clutch" in a roller blind, giving low friction when raising but high friction at rest and when lowering the blind, thus allowing the bottom weight to tension the blind without dragging it down, whilst also allowing the blind to be easily raised. Until the mechanism eventually fails (typically the spring breaks) the effect is so good, it just feels right in both directions.

I have just received a derailleur and it has no b plate only a bolt. It has a b screw. Is this b plate necessary for adjustment of b screw.

Where can i get parts , need like a small bolt for the jockey wheel

You've done a good job explaining how they work. Thank you. But do you have any tips on how to service them, if the friction is no longer working?

Mine are auto shifting on climbs, especially when I stand. Any suggestions?

Wowww! Que gran trabajo! Un gran saludo from Argentina!!

Thanks! Your video helped me a lot while assembling mine!

Nice video ! I Neede it when i am going to fix my Shimano derailleur ✌️

Don't grease a Simplex retrofriction shifter! If you can't help yourself, a tiny drop of oil or a smear of grease, but lubricants *undo* the action of the spring's friction. The way the spring works, btw, is the change of inner diameter of the spring when force is applied *against* the coiled direction, thus releasing the friction grip on the post it sits on. This makes for friction increased in one direction, and reduced in the other. The principle was pioneered in early cash registers!

Great film !!! Quick question, i have the 105 group set on my Raleigh Panasonic Corsa .. problem is that when i change to a higher gear when climbing a hill the chain keeps jumping back to the lower gears under load when climbing. Frustrating. Could you kindly suggest the solution! Thanks DJ

Fettling with my bike , decided to clean the and dismantle the rear derailleur on my Raleigh Panasonic 1985.. got into a right pickle getting the tension back.. Your a life saver .. ! Thank you VERY much.

Hi, the B-tension on my Shimano Deore derailleur is weak, I've taken it apart and given it all a good clean. What I notice on re-assembly is that it springs freely until I fully tighten the bolt onto the mech hanger, as though that's crushing the seal that it's supposed to rotate on. Have you come across this? Thanks.

Pls make more videos for new generation rider that is not familiar specialy old parts

Do you grease the jockey wheels?

Hi, how did you put back together the spring you removed at 1:57min (attachment to the frame)? thx for the great video

What is the paint you're used for this

Saludos desde México 👍

Hello, I was thinking about buying a bike with this front and rear derailleur, do you think these derailleurs are good quality and how do you rate the shifting quality of the front and rear derailleurs. The bike I'm thinking of buying has Gloden Arrow even though I would have preferred Suntour VX or Cyclone. I'd like your opinion on this.

Hello. Thanks for sharing your knowledge. I have one question. Why you don't put the grease into the bolt and spring? I always add pretty big amount of it in these parts. I would like to just hear your opinion.

Thanks for the video! Is it possible that you could disessambly an 600 arabesque lever and then show how to assmbly again?

This is same process to alivio rd silver color?

Dang skipped over the hardest part

Holaa saludos desde Perú 🇵🇪 que hermoso trabajo necesito una de esas splinter para mi bicicleta jd 👍

That helped!! Thank you

Hi, thanks for the video However, the picture is mirror imaged. I ended up watching it at 0.25 speed in a mirror. Also, I think the most challenging reassembly step is missing (bracket axle assembly). It took me several days to figure out a method using an extra hanger bracket to keep the inner assembly from sliding off the bracket axle, yet loose enough to allow enough clearance for the guide pins to move past each other while I loaded the spring. I might have figured this out sooner, but mine is frame mounted (70's Superia Apollo Super Star, Ishiwata 022 CrMo). After successful assembly, I just removed the bracket and installed the completed derailleur back on the frame lug.

I wouldn't call that a restoration, it's a cleaning. You did nothing to restore it to it's original shape. Still covered in scratches.

Just nostalgia, i do have tourney shimano 600 gset

I need your help please. there is a part of the parts assembly that is missing. I disassembled this piece and cannot put it in. please. Do you have any email where I can contact you? thank you.

Could you please tell me where the b screw ist located?

That's pretty cool the Shimano dura ace down tube shifters keep moving on hard efforts despite tightening the bolt. Is there a modern alternative of this? Also thank you this is helpful.

I'm pretty certain that Arabesque shifters were cast like that, not pantographed.

Cool design! Picked up the Gipiemme Retrofriction version. "Top hat" piece is nicely machined steel and spring fits in lever without external relief being cut. My big question is what kind of grease or wax is specified for the spring interface, as that surely can effect the function. Mine has more of a waxy feel which could be the film left from lighter grease having dried up after a few decades. Any idea about what came with these?