It seems that every new frame comes with integrated headsets, which (I think) means that sealed bearings press right into the frame without the need for headset cups. I'm guessing this is similar to how newer frames have 'mid' BB's which is just an American BB w/out the need to press cups into the frame. So is there any difference between the bearings used in an integrated headset, compared to any older sealed bearing headset? If I buy a fork that has a 'built in headset race compatible with integrated headsets only' and I have an older frame with a sealed lower headset bearing, can I be pretty confident they will be compatible? HEADSETS TAPERED TAPERED – ANGLE LIMITED INTEGRATED SEMI-INTEGRATED THREADLESS THREADED HEADSET TOP CAPS SPACERS & REDUCERS Headsets Description by Johnson Li A bike’s headset is just a large set of bearings enabling a bike’s fork steerer to rotate inside the frame’s head tube. And assuming its a semi integrated headset youre having now, you just need to change the bottom headset that accomodate a 1.5. I use a HOPE H-cup like this. The low- profile, zero- stack, integrated- with- cups, semi- Integrated, or internal- headset systems use pressed frame cups that act as a holder for the bearings. The cups have a flange, or lip, and sit adjacent to the outer edge of the top and bottom of the headtube. The headtube is a relatively large outside diameter, approximately 5. If you have a crown-less fork (the kind that is designed to work specifically with integrated bearings), then you'll need to add a conventional crown for the lower race of an unsealed bearing.if you want to use it with an older frame with bearing cups. Keep in mind that the crown may not be as secure--which may be fine for cruising, but not for trashing. And the steerer tube will be shorter as a result.meaning that you may not have enough length to properly secure a stem on it. It is do-able though. Its-all-good wrote: New frame = new headset. Actually what i was looking at was newer forks. Some of them come with a convenient 'built-in' bearing race (which only works with integrated headsets). So instead of being removable so it can work with any headset, it looks like newer forks are only compatible with new frames. Not so convenient after all. The Mechanik STI headset, or 'Standard to Integrated' headset features chromoly cups that press directly into a standard headtube frame and houses sealed Campy Spec integrated bearings. The advantages to this type of headset include easily replaceable bearings, [ gives the ability to use integrated forks on both standard and integrated frames (simply pop out the bearings from the cups) and the ability to use a fork with integrated bearing race on a standard headtube frame. Note: Includes lower bearing race. If being used on a fork with integrated fork race, simply do not use the included race. 1-1/8' (4.1 oz) Last edited by FRESSTYLE FREEK (2017-03-26 6:52pm). I have not found any press fit headsets that use a Campy spec 45x45 bearing that would fit an 'integrated' race fork. The headsets all seem to use a Cane Creek spec 36x45 bearing or something unique to that headset. I have heard that Chris King headsets might use a bearing with a 45 degree inner race that would work with a newer integrated fork; I can't confirm that but it might be a good place to start looking. I tried one of the STI headsets (actually a Verde Neo but exact same thing) and the top cup was too weak to actually be pressed into the frame, it mushroomed in on itself. Last edited by 98brg2d (2017-03-26 9:13pm). Haromaster99 wrote: So is there any difference between the bearings used in an integrated headset, compared to any older sealed bearing headset? If I buy a fork that has a 'built in headset race compatible with integrated headsets only' and I have an older frame with a sealed lower headset bearing, can I be pretty confident they will be compatible? How To Install A Semi Integrated Headset Vs Integrated EngineeringI'm glad you brought this up. I had been wondering about this also. I knew that integrated headsets always advertised as having Campy spec 45° bearings and that other sealed headsets might have different bearings, but I never really looked into it. I had assumed that maybe by luck, you could take a Campy spec bearing and insert it into the lower cup from a regular sealed headset to allow a 'no pressed-on race' fork to be compatible. I see now, that is not the case. I happened to have both types of bearings handy: Cane Creek on the left & 'Campy spec' on the right. The Campy spec has more area that extends into the outer bevel as seen. I'm assuming that the outer bevel is 45° on both bearings. Even with the extra beveled area on the Campy spec bearing, I still thought it might fit into the Cane Creek cup that I had, but I found that the outer diameter of each bearing is different. In the pic, you can see the Campy spec bearing is labeled with '41.8' (mm) for it's outer diameter. The Cane Creek bearing measures at approximately 40.9mm or 41mm (my calipers aren't highly-accurate). That conventional headset shown above that uses Capmy spec bearings is a really good idea! Last edited by blue78 (2017-08-07 4:20pm). Haromaster99 wrote: So is there any difference between the bearings used in an integrated headset, compared to any older sealed bearing headset? If I buy a fork that has a 'built in headset race compatible with integrated headsets only' and I have an older frame with a sealed lower headset bearing, can I be pretty confident they will be compatible? How To Install A Semi Integrated Headset Vs Integrated HealthI'm glad you brought this up. I had been wondering about this also. How To Install A Semi Integrated Headset Vs Integrated CircuitI knew that integrated headsets always advertised as having Campy spec 45° bearings and that other sealed headsets might have different bearings, but I never really looked into it. I had assumed that maybe by luck, you could take a Campy spec bearing and insert it into the lower cup from a regular sealed headset to allow a 'no pressed-on race' fork to be compatible. I see now, that is not the case. I happened to have both types of bearings handy: Cane Creek on the left & 'Campy spec' on the right. The Campy spec has more area that extends into the outer bevel as seen. How To Install A Semi Integrated Headset Vs Integrated MarketingI'm assuming that the outer bevel is 45° on both bearings. Even with the extra beveled area on the Campy spec bearing, I still thought it might fit into the Cane Creek cup that I had, but I found that the outer diameter of each bearing is different. In the pic, you can see the Campy spec bearing is labeled with '41.8' (mm) for it's outer diameter. The Cane Creek bearing measures at approximately 40.9mm or 41mm (my calipers aren't highly-accurate). That conventional headset shown above that uses Capmy spec bearings is a really good idea! I would have thought sealed bearing headsets would have a standard size, but apparently not. My old KHE Unique frame came with unsealed F-set bearings for the upper half of the headset, and a sealed cartridge bearing for the lower half. I'll pop the lower bearing out and get some measurements to see if it matches your Cane Creek or Campy numbers. Campy spec is what you are looking for. YES, you absolutely CAN use an integrated cone fork with a regular sealed bearing headset. Something like this is what is being referred to as the cone/race/shoulder use whatever term you like. It will work with most sealed bearing headsets provided they are the Campy Standard 45* inner angle. However, you might run into trouble if the fork carries the 30mm portion of the steertube farther up than normal (sometimes done for extra strength) AND you happen to have a headset cup with a smaller than normal ~30mm ID (the portion where cup inserts into the frame). Sometimes, depending on the combination of brands the steertube will bind inside the cup, nothing to do with the bearing at all. Other brands of cups seem to have no problem, it's just a matter of how much meat the company put on the inside. How To Install A Semi Integrated Headsets Vs IntegratedRan into this with the headsets I spin down to fit old school frames- the Tange sets I started with had a smaller ID than the Asian copies I switched to to get more colors. Since I made the switch no more problems. Previously I had to ask guys if they were using an integral fork and clearance the inside of the lower cup a couple thou. It's just hit or miss with the headset you choose and the fork you choose. If you look at this fork, you can see the fatter portion at the crown end of the steerer looks like it continues up for a couple inches- this would be an example of a fork that might give you trouble. Brands like FSA, or the Cane Creek mentioned, which use the 36* standard can get slightly larger bearings inside the cartridge by reducing the angle (at least that my theory why the difference), but you'll have to use a fork with a traditional slide-on cone/race/shoulder. Last edited by ChattyMatty (2017-03-31 11:47pm).
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