Ironman Sprockets

[Crazy]

Ok so Jaybird sells the product and works directly with them. Jaybird what do you think of Rocky Mountains Primary drive stuff? I just wondered if you had seen anything in particular that causes failures. My last Renthal chain snapped and wore off a piece of my case and I thought it might have been my fault from taking it off so much. Heres what I did.

I took the chain off every ride. It was a non-Oring. I used gasoline and soaked the chain in it all curled up inside a icecream container for about an hour. I then pulled it out layed it on pavment so you could see down the links. Used a 2000psi presure washer and moved very slowly up and down it until it was spotless. I then topped it off with a chain lube.

Was I doing something wrong here or is this ok. BTW the masterlink is what broke. Maybe that clip being used over and over and taken off each day fatigued it?

[Jaybird]

Crazy,
Yes a master clip can actually yield very easily. I like to place the clip on a flat surface and make sure it is still completely flat before I re-install it. (always turn it over and check it from both sides)

Very doubtful that the link broke due to multiple removals. Did the pins or the sideplates snap in two? Or did the assembly simply come apart?

If you use a dry-film lubricant, you will immediately see that the mess of convetional lubes is GONE. Dry-film create NO sticky, gooey messes. Cleaning is as easy as a quick squirt of Simple Green, or similar, and a quick spray from a hose or pressure sprayer. No removal and heavy scrubbing will ever be required when you use a dry-film type lube. Nor will you ever have to soak the chain in anyting.

Something to consider, chains rarely break. And when they do you can trace the root cause down to usually two things...either the chain has elongated past safe limits, or there is a bigtime adjustment problem going on.
The master clip coming off would be another reason.

I have not used any of the Primary Drive stuff...however, If I remember correctly, I heard that they are using 6061 aluminum for the rears. I find that to be a substandard grade of aluminum. Which is ok for the guy who KNOWS at what percent his chain has grown, as the softer sprocket can withstand the running of a good chain drive. But when there is trouble of any sort, like a misalignment, too tight, or the chain is growing, the soft rear sprocket cannot hold up near as well as the more robust aluminum or steel sprockets can.
Some have stated they have had good luck with the Primary Drive stuff, others claim it is junk and didn't last. I suspect that maintenance schedules came into play in ALL the situations, both good and bad.

[Garasaki]

I've got over a year on a set of primary drive STEEL sprockets and an XRing chain from them. Have spent essentially 0 time maintaining them, other then adjusting chain tension occasionally (there has been very little stretch on the chain to this point) and the sprockets look good still. I would certainly buy the primary drive stuff again. Again, I'm talking about their steel components and not their aluminum stuff.

[pragmatic393]

Agree completely with Garaski on the Primary Drive components. I also like the idea of the dry-lube and will give the Digilube Ultra-film a try. Thanks, Jay

[Crazy]

Ya the master link was bent and the clip and other side were missing. I double checked it before I went riding to make sure the clip was there because I remember it not looking like it did usually, or snaping together as much.

I had the primary drive chain on my honda, and Im gonna get another one when its needed for the KTM.

Thx for the info Ill try the dry lubes.