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Welp .... had the Harrison billet 4 pot caliper on for a few weeks, and I have to say I am very happy with it.
Had a different feel to stock, and at first I thought I hadn't bled it properly as it felt a little spongy, but it was certainly working as it should. Bike stops a LOT better now. Decent feel too, once I was used to not having to put so much force into the lever. Picks up nice and progressively
Re-bled it after a week, and no air was visible, and the lever feel was unchanged. Now I have got accustomed to it, it's like its always been there.
For UK riders looking for a locally sourced item I can definitely reccomend it. I wasn't able to source Wildwood units and would have to have had them imported with the extras cost associated. Plus the same issue with pads.
Harrison also do 6 pot units, and you can get them polished or anodised. I went with black anodised as, again, I ride all yewar round in all weathers and the finish is pretty thick and looks durable.
If you want a firmer feel at the lever you'll need to go to the larger bore master cylinder that Harley used on twin disc models. You should be able to find them for cheap as so many people swapped out for PM etc ones.
Not sure who is around in London any more, I've gone, I think Riverside has gone, is Snob's still open? There's Warrs of course but I don't think they 'do cheap'... never used to!
Heres the dumb question - Ive owned many sporties and never had a complaint about the brakes. Are you certain that the lines, the master cylinder and everything else are up to spec?
There's an old saying that goes something like 'the best you've used is the best you know'. This is my first Harley and I noticed straight away how dreadful the brakes are.
My last sportbike had twin 12.5" disks, 2 four pot radial calipers, a Brembo radial master and was well over 220lbs lighter than the sporty. Even my old sportbike from 1984 had twin disks around sporty size and weighed 80lbs less than the sporty, and that felt like it didn't stop.
I'm guessing if you've mostly ridden sportys, or the big tourers, then you'd be happy.
Last edited by DEATH_INC.; Apr 3, 2025 at 01:12 PM.
Improvements are improvements... I notice them a lot. The Brakes on My 21 Tri Glide are way better than my 05 XL883C, My 07 FLHTC and my 14 Tri Glide. No turning back. Mo Better is Mo better.
I grew up riding drum brakes so I probably have a "good enough" attitude about brakes. I tend to ride fast and brake late so that's why I set my bikes up so the rear brake is almost useless.
Pretty sure non existent brakes saved my life once. I was in a northern Minnesota gully washer on my 89 883 heading home from work doing about 55 mph. I hardly noticed the train ahead about to reach the crossing so I got on the brakes good but nothing, just pucks hydroplaning on the discs and the arm was coming down also, so then I gassed it and hugged the tank. The arm lightly grazed my back as I went underneath but I made it
Last edited by snatchcat; Apr 3, 2025 at 05:12 PM.
Heres the dumb question - Ive owned many sporties and never had a complaint about the brakes. Are you certain that the lines, the master cylinder and everything else are up to spec?
pre 2000 Sportsters and Dynas had a lousy single piston caliper. My '98 Dyna got a Wildwood four piston caliper to fix that, my '08 Sportster doesn't need one.
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