[Closed] Keeping a chainguide quiet?

The hardness of the plastic on the LG1+ means it will always rattle. I dont think you can ever get a truly silent chain guide but the Gamut ones are very quiet or there is always the Straitline Silent guide not used one but they give it that name for a reason.

Given that the LG1+ was £115 I'm not looking to change it, it's also about the lightest around. The adhesive velcro significantly reduces the rattle, but I'm thinking rubber of some sort would be better.

...but I'm thinking rubber of some sort would be better.

I was just about to recommend the velcro when I read your post. I suspect that the chain would obliterate most types of rubber in no time at all.

A few layers of Duct tape?

I use a window putty on the top of mine, velcro on the sides and modified camelback tubing - totally silent

totally silent

and no longer the lightest around perhaps 😉

Your setup isn't quite right. I run a LG1 and it basically is silent

Gag it with gaffa tape in the boot?

what about some of that moulding putty stuff, cant remember what its called comes in a little bag and you can mould it into all sorts of shapes. ST test it every now and again. I'm sure its some sort of elastomer and could really quieten down the rubbing.

Or you could remove material so the chain has more room and doesn't rub.

legend,
pretty sure It is set up correctly, doesn't really rub anywhere, is central to the cassette and the top mount is as low as it can go. There is always going to be chain slap and chain on plastic makes a bit of a noise.

It isn't rubbing that makes the noise, but chain slap on the upper guide.

The putty idea is interesting, but what are you doing with the camelback tubing? I used to use that on my old LG1, but the top guide could be taken apart completely to slide the tubing on, different on the new ones.

Chainslap whilst pedalling? Is the guide definitely rotated correctly?

As I said, mines never really made any noise so can't really understand the problem. Photos?

Rubbing when in one gear or another? They are bloody fiddly things. Have a good old fiddle with chain line and rotation to see if you cant get it to run silent over the full spread without using special measures.

legend, it is possible I could rotate the guide backward slightly in the mounts giving a little more clearence which may help, but it will still slap when hitting things fast.

i cut the camel tubing up so its flatter and stick it down so it just takes the edge off the chain ting - you want the guide setup so it rubs in 1 2 3 but it clears 4 - 9 smoothly, thats what I do anyway on a 9speed bike its likely going to be in high gears most of the time so optimise it for that

Bagstard, have you set it up exactly as per the E13 instructions? I ask this as there isn't really an option to change angles, just the right angle and lots of wrong ones!

legend,

the chainguide is set up pretty much correct, this is not a new set up, I have been running 1x9 with a guide since 2003 on many bikes. Currently I have an LG1 on my DH bike and an LS1 on my hardtail. There is a chance I could lose a link, but I don't think so. Are you saying that your chain never comes in contact with the upper guide? I don't see how that would be possible. Maybe the occasional knock doesn't bother you?

i only use a stinger as i always have a front mech. never notice any noise

Nah, not trying any crazy claims like that! Mine has never caught may attention by making any noises though, it's probably the quietest device I've used. Plus, with an 8 inch travel bike running around 2.5 inches sag the chain should be miles away from the bottom of the cage for the most part.

I've a Gamut makes a noise like a tractor in lower gears but pretty quiet in higher gears, like alexxx above states, some interesting ideas to make them quieter.

I checked my chainguide and it is fitted correctly. The newer LG1+ doesn't have the same adjustment possible as the older version. The upper mount only travels in one vertical plane, so you can't go too far wrong. This also means there is less distance between the chain and the rearmost part of the upper mount, hence more chain slap.

On checking a pic of me at a race a few years back you could clearly see the chain has enough movement to knock when it comes back down(8 inch travel bike, pumping a take off.)

I will look into this putty stuff or maybe go back to velcro. It seems to me that some peple aren't bothered so much by noise, maybe I'm too fussy?

Thanks to all posters. 🙂

Is the whole chainguide rotated to the correct position?

Yes rotated and fitted as per e13 instructions.

Ok, a little humble pie for me maybe! 😳 Had some time to work on the bike yesterday and was able to remove a link from my chain. Also rotated the guide back a fraction which gives a little more clearence between the chain and guide contact point. The result is a much quieter chainguide. Also glued on a small thick piece of rubber, so now pretty silent. 🙂