Miche cog adapter play
 

While doing mid-winter season cleaning of my commuter (http://www.fixedgeargallery.com/2005/dec/boe_fixed.htm) I was really sad when I found some play between my miche cog and adapter. The lockring is really tight and couldnt be thightened more. I was really carefull installing the lockring and I had worked pretty much with fixed gears, im not a complete idiot anyway.

It was late and I didnt take the lockring of to see if it was the cog or adapter or both that had been disfigured.

Anyone else had this problem?

that's a known problem with the miche setup. a new cog might help.

i'm not surprised that this happens, especially if you're riding hard, w/o handbrakes. and play is exponential--once there's a tiny bit of movement, that will exacerbate the wear. if this happened to me, i'd be a bit afraid of being unable to get the adaptor off once there's wear between the cog and the adaptor.

is the play radial?

i've wondered a lot about this happening with the miche splined system. the interface between the cog and the carrier are never going to match 100%, so there will always be some minute initial play (that you cannot feel, detect), especially with the sort of rounded splines that they use. over time, especially if you ride it hard, chances are that the cog, the carrier, or both are going to wear down and increase the amount of play. this is why, among other reasons, i immensely dislike the miche system.

this won't happen on a more traditional threaded cog setup because it will either back up off of the threads or strip the threads. the lockring will keep it from doing the latter, generally speaking.

the level system might suffer from this a bit, but the knuckles in combination with bolting should minimize the play to the point that it won't cause significant wear.

ahh, i see that others have replied while i was away for a bit (before i hit submit). is it the cog that wears, or does the adaptor itself suffer?

just for grins...
try flipping it over?

I've got the Miche system. I probably wouldn't have bought it, but it came with the hub, so I figured I might as well use it.

I haven't had the opportunity to abuse it yet, but I'm kind of wondering if there is anything that can be done to minimize wear? It's on there dry now, and I'd think that would be better than greased in this case, but maybe not.

Other than the greased/dry, tighten the lockring down like a mofo, does anyone know any setup tricks to minimize wear on these? Once it starts to move I'll probably replace with EAI or DA, but I'd like to get as many miles out of this one as I can.

OT

Miche can't really seem to get their line straight. Nice hubs, then that stupid carrier system. Good, affordable cranks, bad bb bearings, supposably. I actually kinda like the seatpost, but it looks dicey. Not a good place to be drilling big holes. Miche are punching themselves in the nuts.

i think using handbrakes would reduce wear, but not eliminate it or guard against it. i feel safe guessing that street/brakeless conditions (stop go skid hard go slow go again go harder skip go hard skip skid stop go...) put more stress on the miche system than the track environment (accelerate. sustain. slow to a stop)

yeah, i have no love for miche. i don't like anything that they make. most companies have better offerings.

I think their hubs and chainrings are quite nice. The hubs are nicer than Formula, but not as nice as Suzue Promax in my estimation, and these are the three hubs I have firsthand experience with.

Chainrings are great for campy road cranks.