I've ran ramped and pinned rings on my SS before, I couldnt tell much if any difference. People say you run a better chance of having the chain jump off with ramped rings but my opinion is that as long as you keep the right tension on it you shouldnt have a problem.
Well, I have had friends tell me that there is no problem with it. So last night I tried it out. I ran a chainring with a front der to keep it on just in case.
I bunnyhopped and the chain popped off and I landed on the ground hands, elbows knees all scraped up.
I would say put the extra couple bucks in and get a non ramped chainring.
MB2, you might want to run your chain a little tighter, if it jumped off bunny hopping its a tension problem and not a ring problem, more than likely. I've ridden SS's for 4 years and out of all the chainrings I have went through only 2 have been non ramped rings, and I have only had the chain drop a handfull of times in those 4 years and I would say 90% of those times it came off was on rides that I knew my chain had too much sag when the ride started but I was too lazy to move my wheel back a little to tighten the chain up... Hope the elbows and knees heal quick.. Deyv, if you are buying a ring you can probably get a non ramped ring just as cheap if not cheaper, I know I picked up this last Spot ring for around $30. But if your just wanting to use a ring that you already have I say put it on and give it a try...
I am actually running gears in the back and 1 chainring in the front. I took your advice and cut another link out making it so in the biggest gear in the back the der is as tight as it can possibly be. I will test it out...hopefully it works.
Oh, so you're running a 1X9 then, I dont really know what to tell you to do for that, I've never done that before, I took it as if you were running single speed with either a tensioner or horizontal drops. I know there are people out there running 1X9's (seems like slowSSer has one) but I have no idea what they do to keep their chains from coming off, possibly a bash guard would help? Hope I didnt cause you to get more scrapes and bruises man
It's not the best idea. DW went into a little more detail on this in the DH forum, but what I got from it is that ramped rangs are offset for proper spacing to the other rings. This is a different offset than unramped rings have. Chainguides are designed with unramped spacing in mind, and are not very tolerant of the misalignment that can result. Apparently the Evil guide is one of these, but would guess most other guides are similarly intolerant of the misalignment.
I've never had a problem with ramped rings on my SS with proper chain tension and chainline. I have noticed that the rings wear extremely fast though.
I ran a 1x7 for a while. It's not ideal, but with proper chainline it's definitely ride-able. A non-ramped ring would be better for this situation because as you shift in the back you're pulling your chain out of line. A ring designed with shifting ease in mind is going to drop your chain faster.
I'm not sure how it fit together on the crank, but I saw someone with his ring sandwiched between 2 bashguard-looking things.
SS and DH are two different cases:
For SS it's fine with a good chainline. If you're using a chainguide though, it could cause problems, as the rollers and boxes need to align near-perfectly with the ring.
Originally posted by ARmtnBIKER Oh, so you're running a 1X9 then, I dont really know what to tell you to do for that, I've never done that before, I took it as if you were running single speed with either a tensioner or horizontal drops. I know there are people out there running 1X9's (seems like slowSSer has one) but I have no idea what they do to keep their chains from coming off, possibly a bash guard would help? Hope I didnt cause you to get more scrapes and bruises man
ok, bored on a saturday morning, I break out of lurker mode on this board.
a bashring will help with the 1x8 or 9 setup (trust me here) and as for SSing, if you have a spot- on chainline and the correct amount of tension, runing a ramped and pinned chainring for SS is not an issue.
DH rings also can work nicely, so you're options might be more broad there. heck, Im running a hussfelt dh setup with bashring on my 1x8 Dean.
When I was running my Rohloff on a 2003 Big Hit DH I has to have a chain tensioner to deal with suspension induced chain growth. It worked great everywhere but high speed stutter bumps on DH courses where the chain would still throw a couple times a weekend. To solve that I used two Race Face bashguards to sandwich my 34t front chainring which worked great, I think it was lighter than a chainguide, a hell of a lot cheaper, and it just gave me twice as much to slide on when going over big rocks and logs.
Not sure if it would rub with a 9 speed cassette in the back though. You need to find longer male and female chainring bolts to make it work though. If your shop tells you that bolts long enough don't exist (as 3 different shops told me) find a new shop.
As a nice bonus, I managed to find the race face bashguards for $10 a piece on ebay
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