Sicom Rotors/Pads
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I am researching the exact same question, likely gunna put the Brembro GP4-MS calipers on my bike.
I was watching one if ggr SBU vids in their V4R track build….one video they are track testing the Sicoms, the guy said he talked to the guys at Sicom and you can run EITHER the Sicom specific pads or aftermarket racing pads, he used the latter and described the braking with the non-Sicom pads just as I would describe it with the pads: “Progressive first bite then they clamp hard with high ultimate friction”
So I know you CAN use other pads, but then the question for me becomes WHICH pads are going to FEEL the way I want them too, I.e. Progressive initial bite but huge ultimate grip”
I was watching one if ggr SBU vids in their V4R track build….one video they are track testing the Sicoms, the guy said he talked to the guys at Sicom and you can run EITHER the Sicom specific pads or aftermarket racing pads, he used the latter and described the braking with the non-Sicom pads just as I would describe it with the pads: “Progressive first bite then they clamp hard with high ultimate friction”
So I know you CAN use other pads, but then the question for me becomes WHICH pads are going to FEEL the way I want them too, I.e. Progressive initial bite but huge ultimate grip”
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Skip to 11:10 of this one.
In one vid he said he was running really aggressive pads abs they still gave him a progressive initial bite….abs didn’t seem to wear the rotors at all.
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I have a set fitted to our V4R but haven't tested them yet, we're running gp4-pr callipers with the z04 pads hoping they will work ok, will know in 3 weeks
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Okay since you’re trying those I’ll order the Ferodo CPro Carbon/Ceramic and the Ferodo ZRAC Race, both of which I think will work well too but obviously have a different feel, which is to some extent a subjective choice.
We can compare notes as we go I guess.
I also have an email in with the place in Britain where I got my Sicom who called me from Britain just to talk about the rotors and how to bed them etc…he knows them well, I asked him what pads he recommends for the new calipers I’m getting. Will let you know what he says beggining of next week.
We can compare notes as we go I guess.
I also have an email in with the place in Britain where I got my Sicom who called me from Britain just to talk about the rotors and how to bed them etc…he knows them well, I asked him what pads he recommends for the new calipers I’m getting. Will let you know what he says beggining of next week.
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Just saw the bit about “other than stock configuration” you guys are running 108s I believe, while I’m sticking to the best 100 that I can find. So I don’t know if the pads I’m going to try are compatible with your 108 setups.
Hey guys, thanks for the info. So i did call Freddy at SBU and he told me they ran SBS pads. I just don't remember what pads they were. The pads that came with the rotors obviously i cant use but they are marked Sicom on the packaging. I will use their rear pads however the contact patch for the Sicom is quite a bit smaller than the Brembo (pic). When i got the Braketech CMCs there were specific Ferodo pads for the rotors. That was until I found out Braketech was a Ferodo dealer. In reality, guys were using all kinds of pads with those rotors and there wasn't a specific material designed to bed in with the CMC. Not sure on the Sicom. The Sicom material and the CMC material are quite a bit different. I think I'm going with the Brembo endurance calipers 30/34 XB2P720. Its pretty much the EVO caliper with the anodized finish. I went with it because of the 22.5 offset vs 21 the 30/34 piston vs the 32/36 and the ano finishe goes well with the Mupo's. Bruce are your calipers a 21mm offset?
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So the top shelf calipers for the 100mm bottoms are the XA7G210 and XA7G211. 32/36 Ti pistons. I have been running these since 2015. That being said, they do not have street dust seals and they have to be serviced regularly which is why I used the QR on them. Best street caliper for the 100mm is the Brembo MS. If you want to change to a SBK caliper there's not a lot to choose from in 100mm. You can swap the fork bottoms for the 108's either from Brembo or I heard Motocorse is making their fork bottoms in 108. The pads that came with the Sicoms are for the stock Brembo or similar calipers.
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According to the link in the SBU video they were running SBS DS-1 pads with the Sicoms. With steel discs the DS-1 pads are supposed to have a strong initial bite, while DS-2 are more progressive. However he said in the video that the bite was much softer initially with the DS-1 pads in conjunction with the Sicom rotors. I have no experience with carbon discs, as I don't have the budget for that level of components, but I will try the DS-2 pads with stock rotors and calipers next season. Talked with the national champ here, who ran them this season and was very pleased with them.
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Yeah I saw that and was thinking that sense I like a progressive initial bite as long as it’s not TOO progressive I would go with a pad that normally has a very aggressive initial bite abs then very high full torque grab, because the Sicom will make a pad like that have a slightly progressive initial bite.
I’ll probably run these Ferodo:
“ZRAC Racing
The Ferodo ZRAC race pad range does not replace the recently updated XRAC, but rather is a very focused and limited product range that features the trademarked HITTM (High Initial Torque) technology which simply translates into a higher initial coefficient of friction for more initial bite than the XRAC. But it doesn't stop there, this is combined with an extremely high peak friction for an amazingly powerful brake system. The intent is to offer more performance options for Pro level racing as well as seasoned club racers who prefer the characteristics of a flatter torque curve. Feel and feedback at the lever is superb providing excellent control during late braking corner entrances while it's thermally stable friction characteristics maintain linear progression to peak power under maximum pressure. As with the XRAC stablemate, the all- new ZRAC also features the trademarked Array CoolingTM technology to reduce interface temperatures under severe thermal load conditions.
This new product range is limited to late model Sportbikes and Billet GP type race calipers.”
The Brembro Z04’s are probably very similar but Ferodo was a client of mine years ago so when I have a choice I use their stuff.
This is the solution I was going to use when I got the CMCs however at that time those pads were not available for the race calipers so Braketech sent me something else’s. May be worth revisiting. Thanks man
So looks like Ferodo is a no go in my application. They don't make jack for the racing calipers. SBS makes everything so I will start there and venture into the Brembo stuff. Not so sure about the Z03 compound on the Sicoms. That looks to be a low wear endurance compound and probably the most aggressive toward the rotor material.
The WSBK caliper (XBOB190/91) the EVO caliper (XBOB180/81) and the endurance caliper (XB2P720/21) all use the same Brembo pad ( (Z03/Z04) (07B36640).
The RR (XB9L2A0/A1), PR, (XB6E10/11) the moto2 calipers (XA8D1E0/01) and the standard 34/38 monoblocks (XA3J7F0/01) all use the same pad Brembo pad (Z03/Z04) (07835424)
Additionally, I was incorrect on the 100mm caliper options. The top shelf 100mm caliper is now the GP4-RR (XB9L2A0). It is the same spec caliper as the (XA7G210/11) however it has a revise look and more importantly, the new pad retention system with the anti wear strips. Another cool solution is to get the MS calipers and put the 30mm Ti pistons in them. That's probably an unbeatable street/track solution for all but the most demanding applications. I believe HKMP7 has done this mod. I am not sure if the MS calipers have the anti wear tabs.
The WSBK caliper (XBOB190/91) the EVO caliper (XBOB180/81) and the endurance caliper (XB2P720/21) all use the same Brembo pad ( (Z03/Z04) (07B36640).
The RR (XB9L2A0/A1), PR, (XB6E10/11) the moto2 calipers (XA8D1E0/01) and the standard 34/38 monoblocks (XA3J7F0/01) all use the same pad Brembo pad (Z03/Z04) (07835424)
Additionally, I was incorrect on the 100mm caliper options. The top shelf 100mm caliper is now the GP4-RR (XB9L2A0). It is the same spec caliper as the (XA7G210/11) however it has a revise look and more importantly, the new pad retention system with the anti wear strips. Another cool solution is to get the MS calipers and put the 30mm Ti pistons in them. That's probably an unbeatable street/track solution for all but the most demanding applications. I believe HKMP7 has done this mod. I am not sure if the MS calipers have the anti wear tabs.
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Yeah I was thinking the same thing about just putting the Ti pistons into the GP4-MS, I love the RR’s but don’t want the extra maintainer if pulling those calipers off all the time to service them and clean them, although SoCal sees little rain so they probably wouldn’t get gunned up as quickly as in other parts of the country.
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I did get this email back from the guys in England that sold me the Sicom’s.
Not super helpful but perhaps telling of SOMETHING.
I’m wonder if the GP4-MS can use the same pads as the Stylema
Not super helpful but perhaps telling of SOMETHING.
I’m wonder if the GP4-MS can use the same pads as the Stylema
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I have MS with TI pistons, they are really good. If you want to split hairs the 4x 30mm pistons to somewhat hit a grey area for Master size - I went with 19mm while some prefer the feel of the 17mm.
MS was the only real. option for me when I was building my bike.
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