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Help needed. Bought shocks and disc brakes of the forum, now trying to assemble.
Hayes 9's. 7 inch front, 6 inch back. http://singletrackworld.com/forum/topic/brakes-30-saddle-15-bash-ring-10 Did get 2 adapters of which one is on the back, have I got the wrong way round?
These forks: http://www.marzocchi.com/template/detailProdotti.asp?LN=UK&idC=1629&IdFolder=113&idMY=28182&IdOggetto=28028
Think I need an adapter for the fork as the disc is too close. What do I need?
Cheers.
Assuming the forks are post mount and the 180 disk is on the front, you need a 180mm Front PM-PM adaptor. Any make other than Avid will do, superstar do them (type 7) for a fiver.
http://superstar.tibolts.co.uk/product_info.php?cPath=57&products_id=359
Why do you say anything other than avid?
Just curious
Cheers Dave, I'd just figured it out and was going to get one from CRC. You just saved me a few quid!
Thanks.
The caliper mounting surface on avid adaptors isn't flat (the mount is 2 tubes which are different heights) and it relies on the CPS washers taking out the misalignment.
Ah man this is doing my head in, seeing as the op has been answered already I'm gonna hijack with this cps malarkey again...
Are avid just out on their own with 200mm rotors while the rest of the world is on 203?? I can find and avid 203 mount non caps but only 200mm with cps.
I've got a Clark's 203mm floating rotor and 203mm pm adaptor but the spider fouls the adaptor. Was hoping that the avid one would be a little slimmer.
Would I be right to assume I can just use a non cps Adaptor with my elixirs and ditch the washers etc? Its a shame cos the cps thing seemed to work quite well.
Shameless bump for the morning.
Older hope were 160,180 or 200mm
This wont answer your CPS question (but will keep the post at the top, and probably just create more questions.....????)
I was of the understanding that the Avid adapters were the same as other adapters. I thought the actual calliper took into account the different width of the CPS hardware. It has to, because the CPS washers are on both sides (top & bottom) of the calliper???
If you mount an Avid calliper directly to post mount forks, with CPS hardware, you get a correct alignment for a 160mm rotor. This obviously takes into account the width of the CPS washers that go between the fork PM and the calliper. If you mounted the same Avid calliper to the PM fork but didn't use the CPS washers, I can only assume the alignment would be several millimetres off.
So in theory, if you then use an Avid PM/PM 20mm adapter to increase from 160 rotor to 180 rotor, it shouldn't need to allow for the CPS hardware, because the CPS hardware is already allowed for. Make sense? I believe the CPS allowance is built into the calliper not the adapter.
Please correct me if I am wrong.
I am guessing, but maybe the difference between the 200mm rotor and the 203mm rotor is perhaps the width of the CPS washers??? One used with CPS hardware and the other non-CPS.
CPS hardware is accounted for in the caliper design, so caliper must always be used with the CPS washers. Most caliper mounts are the same across brands, the exception (there is always 1!) is the 180 adaptor as mentioned above, as avid know you WILL be using the CPS washers they use those to make a more basic adaptor, since the mis-alignment can be dealt with by that.
I've got a Clark's 203mm floating rotor and 203mm pm adaptor but the spider fouls the adaptor. Was hoping that the avid one would be a little slimmer.Would I be right to assume I can just use a non cps Adaptor with my elixirs and ditch the washers etc? Its a shame cos the cps thing seemed to work quite well.
The issue here is the rotor, its not directly compatible with anything and relies on a certain combination of tolerances to work, simple answer is to just attack your current adaptor with a file or buy another brand adaptor to see if it works.
As above tho, you must always use your CPS washers with the avid caliper.