I've been using a Heim 3 Guide for a year and a half and have never dropped a chain. I use mine with two rings and a bashguard but they work well for 3 rings too. Heim makes a bash guard to be used with 3 rings that is a pretty piece of kit as well. The 3 Guide has got to be the lightest chain retention device made and he is coming out with a carbon fiber model that is about half the weight as the current guide. There are some pretty cool 2 ring guides out there from Evil and Blackspire but I just don't see the reason to switch when the one I have works perfectly and is a no brainer to set up. Get one!
Dunno. Mine's a little squeaky, and although it's set up according to the instructions, the chain will slide across the roller (the soft one) instead of turning it when in certain gear combos. The whole affair I've personally found a bit 1995 for my tastes. Much happier with my DRS guides, and in fact, I've found that having a big ring (or my old bar-ends, for that matter) doesn't do much for me, especially now that I've become used to smashing my bashguard onto things with impunity.
I wish E13 had put the 3RS out, but I think I'll be going back to a DRS soon, regardless.
Yeah, I thought so too and it took me a long while before I bought one but the bottom line is that it works flawlessly. Like I said before, there are some pretty cool guides out there from Evil and Blackspire and I've heard they work very well but they are considerably more expensive and much heavier. The Heim guide is simplicity at it's finest, very well thought out along with excellent quality. I've been running it for a year and a half and the rollers and bearings still work like new and I've put it through a lot of extreme abuse. It's like a Thomson seat post, you put it on and forget it's there. It just plain works.
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