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I would like to add that when I had this off the bike elevated up on one of my shelves and bleeding it out with a 5/16 flat bar in between the pads, I noticed that once all bled and fluid was moving properly, that the body of the caliper was actually separating as I would apply force on the lever.. Not sure if that's common with two piece calipers or not but it will actually cause you to lose some breaking on I would think ... Anyways just something I noticed..
"that the body of the caliper was actually separating"
Call me crazy but that can't be right, mine doesn't do that, have you tried to tighten the bolts to the caliper body?
Let me rephrase, you can see the expansion of the aluminum body when applying a lot of pressure with the master cylinder.. I know what I saw.. There's no leak or anything but you can see the expansion.. You might not see it on the bike but up on the bench you sure can. Even the OEM caliper does it..
Let me rephrase, you can see the expansion of the aluminum body when applying a lot of pressure with the master cylinder.. I know what I saw.. There's no leak or anything but you can see the expansion.. You might not see it on the bike but up on the bench you sure can. Even the OEM caliper does it..
You might be surprised at the PSI being generated...do the Math 5/8 master with ??? how much applied force...to a 2"?? 3" ???cylinder..Lucky it don't break something.. I'm just postulating 5 or 6 times the force being applied!! maybe more...
Edit; Just how much hand strength do you Gots??
Last edited by Racepres; Jul 15, 2024 at 07:52 PM.
You might be surprised at the PSI being generated...do the Math 5/8 master with ??? how much applied force...to a 2"?? 3" ???cylinder..Lucky it don't break something.. I'm just postulating 5 or 6 times the force being applied!! maybe more...
Edit; Just how much hand strength do you Gots??
@98hotrodfatboy when you installed the cartridges did you use the black plastic spacers? Personally, when I set up my ultra I found that using both of the black spacers on both legs set a firm ride and made the braking fork dive negligible except for worse case 'NOW' stopping.
With the way we're setting them up a bit out of their design envelope some additional shimming maybe be needed, and a selection of thinner ones may help. A friend of mine is machining some delrin spacers in half sizes to that end.
@98hotrodfatboy when you installed the cartridges did you use the black plastic spacers? Personally, when I set up my ultra I found that using both of the black spacers on both legs set a firm ride and made the braking fork dive negligible except for worse case 'NOW' stopping.
With the way we're setting them up a bit out of their design envelope some additional shimming maybe be needed, and a selection of thinner ones may help. A friend of mine is machining some delrin spacers in half sizes to that end.
One of my spacers broke so I was only able to install 1 per side.. I would love a set of 1/2" spacers.. As soon as I upright the bike off the stand the front end dips immediately.. I think I'll call Progressive to see what they can do .
Last edited by 98hotrodfatboy; Jul 17, 2024 at 05:42 AM.
Another thing I noticed was that you need to be careful when installing the lower bolt for the caliper.. Too long and will will contact the rotor.. No it didn't happen to me but just letting others know to reduce any type of damage.. lower bolt length was 1 1/4" with the old thick washer from the top bolt plus one .060" Stainless washer.. It gave me a total of .125" clearance.. And yes absolutely Blue Loctite.....
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