Asked by: bikeMTL. Cannondale Hollowgram SL Lockring, KP021, Black. And BB30 bottom brackets sometimes have hard-to-pinpoint 'creaking' issues, though the newest 'PF30' variant from SRAM is supposed to be better in that regard (but these require a slightly different BB shell than a classic BB30 system). This conversion bottom bracket in an integrated unit to allow a Shimano/FSA 24mm crankset run on a Cannondale BB30a frame without any additional adapters or spacers. Thanks, Herzog . BB30a is 73mm. What Is The Difference Between SmartFormed Alloy And Optimized Alloy Frames. The frame’s bottom bracket shell itself is not threaded, instead the bearings press directly into the frame. The width dimensions are the same, only the diameter of the frame opening is different: 42 vs 46mm. These cookies do not store any personal information. We released the design as a free industry standard and the rest, as they say, is history. So the spindle is 73mm wide vs 68mm for a normal BB30. Q. BB-BB30-A1 . Unfortunately this bearing is fractionally too large to fit into a BB86 shell. For the best and simplest solution to your BB30 problems you’ll want to get one of our BB30-30 or BB30A-30 modules that you can just press in, insert the crank, and go ride faster than ever in silence. An example of this is the new BB30A found on the Synapse. PressFit 30A Explained The PF30A is similar to the PF30 standard, but the frame BB shell is 5mm wider on the non-drive side. A on BB30a stands for assymetric which repsresents the split seat tube on synapse and the delta (wider) junction at the BB on newer evo and caad bikes. Im sure that the preload ring (non drive side) must be removed in order to get the 30mm spindle as long as as possible but ,,,,a wave … The "A" stands for Asymmetric. To clarify, BB30 is not the same as PressFit30. BBright™ frames with direct-fit bearings use standard BB30™ bearings (61806). If you were to prise a cover off one side of your sealed bearing it would look like this. Among the companies using these types of shells is Cannondale. The design. If you’re fortunate enough to have a proper headset press, such as the Park Tool HHP-2, … Location Eastbourne East Sussex. crankset bottom-bracket power cannondale. A major source of confusion lies in the name itself – all BB30 cranksets have 30mm spindles, but not all 30mm spindle cranksets are BB30. PressFit30A follows the same principle, but with PF30 … adroll_current_page = "other"; How to fit BB30 and BB86/92 bottom bracket with a headset press. I think the author of the article either read something that minimized the difference in spindle weights. BB30-named for its required spindle size-narrows Q-factor, increases ankle clearance, and ups bearing durability. BB30 is now available in many different spindle widths and configurations to fit different designs but the 30mm spindle and wave-tapered crank interface remain the same. Some digging has led me to a few bits of information: 1/ It is a common problem with bb30 bottom brackets which i believe mine is [Edit: just realised it is a bb30a, … BB30-named for its required spindle size-narrows Q-factor, increases ankle clearance, and ups bearing durability. BB30 increases the spindle diameter and gets rid of all the material that used to support the bearings—the bearing cups and everything in between. Answered by: Leftleg. This precisely sets/stops the Collet expansion. These would be a direct replacement to a 6806 bearing found in I have no reason to want to replace my stock FSA Gossamer, other than I saw some very tasty BB30 FSA K-Lights in the ChainReaction sale. BB30a system uses thin spacers and/or a wave washer between the bearings and the crank arms to take … We'll assume you're ok with this, but you can opt-out if you wish. e Only 1 cover per side! "BB30" is a set of measurements that specifically means a 30mm spindle is used, but it also defines the BB shell of the frame. It's a nice perk. 6a. When BB30 is set up properly 'it can't creak' be it with wave washer or mechanical preload locking collar. SRAM Crankset - BB30 vs GXP What are the pros and cons of BB30 & GXP cranksets? BB30A is found on the Cannondale Synapse 2014. - Most of the comparisons I've seen thus far are about Bottom Bracket shells, not about cranksets. It is slightly noticeable in stiffness and snappiness of the cranks and BB shell. My BB30 bike creaks. BB30a creaking, because of course it is Hi all, first of all, I'm not a very experienced bike mechanic. We also use third-party cookies that help us analyze and understand how you use this website. What is the difference between BBright™ and BB30™? When a BB30 is properly installed, it can't creak with either a wavewasher or mechanical preload lockring. What is the difference between BB30A and BB30. This is more for research than anything, but I'm hoping you guys have some experience with fixing these BB30/BB30a creaks in the new Cannondales. Does this mean that my Sram Red BB30 cranks are incompatible with the new synapse frame? hondated Veteran. The drive and non-drive side’s bearings are pre-installed inside the cups. e Only 1 cover per side! BB30 is called OSBB on some specialized frames: Cannondale, BMC, Time: BB30A: 42 x 73: Cannondale: PF30: 46 x 68: Cannondale, Focus: PF30A: 46 x 73: Cannondale: BBright: 46 x 79: Cervelo, Factor: BB90: 37 x 90: Bearings fit into the Bottom Bracket Shell, notoriously Unreliable: Trek: Product Search. GXP vs. BB30. PF42 (also known as BB30, BB30a, BB30ai, BBright™ Direct Fit) The term PF42 refers to the inside diameter of the shell. A. BBright’s PressFit30 bottom bracket houses the bearings in an engineered polymer cup, which self-aligns to a degree even in a poorly aligned frame. - After some research, most of the initial information I've read about BB30 cranks are positive including lighter, stiffer, and larger bearings. Along with a 30 mm spindle, it requires an oversized 68mm or 73mm bottom bracket shell and PressFit bearings held in place by snap rings. This means it is cheaper to build, yet with similar performance. This would not work with the wider bottom bracket shell unfortunately. adroll_adv_id = "JQFC3H57FVGLVKTVILAX3O"; Check out the video to learn more about our plug-and-play BB30 solutions here.. The design. BB30, BB30 (Road Wide: 73mm), BB30 (Road: 73mm), BB30 83-A: Chainline: n/a: Spindle length: n/a: Support E-type FD: n/a: Crank-BB interface: DUB: Bearing type: Standard: Spindle diameter: DUB: Cup material: Aluminum: Service. 14 May 2011 #2 Top; Herzog funny you should ask this question because I asked it on this forum some weeks ago.As you would expect all of those that replied gave … BB30 specifically refers to a standard that used 68 or 73mm shells with a 42mm inner diameter meant to press 6806 bearings directly into the frame which had a 30mm internal diameter. The "A" stands for Asymmetric. Reading about the 2014 Synapse and the BB30A bottom bracket- crank set, apparently 73mm rather than 68mm wide shell. The BB86 bottom bracket shell is 86.5mm wide and according to Cannondale the BB30a is 73mm, so it may not fit after all. If you are assembling a 73 mm BB shell, (asymmetric), slide the spacer marked “BB30A NON DRIVE SPACER SISL2” (above right) (5 mm thinner) onto the spindle. Answered by: WiggleRickyR. Hi Im building my new bike a Cannondale Supersix Evo 2016 frame which has BB30A (73mm wide) I have a Sram Red 2012 group set with a BB30 crank set which was mounted on a Supersix evo 2015 (68mm wide BB30) and a Sworks Tarmac (61.5mm wide OSBB). BB30a frame shell inner diameter is 42mm, has two bearing retaining clips and two 6806 sealed bearings pressed directly in the shell. FSA gave the EVO spindle a gold hue simply for visual differentiation, making it quick and easy to identify which is which. Model ID. BB30 bottom brackets call for bearings to be pressed directly into 42mm ID interfaces in the frame bottom bracket shell whereas PressFit30 bikes have 46mm ID frame bottom bracket shells and use a housing, often plastic, with a bearing pressed in it to do the job. Pros: As for BB30A and BB30-83 Ai Cons : Similar to BB30A and BB30-83 Ai, though press-fit design relaxes tolerance requirements Crank designs that will fit : BB30 … Cannondale OPI SpideRing 53T/39T Chainrings, KP244 . But whereas a BB30 sealed bearing is pressed directly into the bb shell, a PF30 system has cups that are pressed into the shell. But whereas a BB30 sealed bearing is pressed directly into the bb shell, a PF30 system has cups that are pressed into the shell. It's a nice perk. The original BB30 specification and 30mm cranks as a whole, are designed to run inside 6806 bearings. Two recent examples of this are the BB30 … Cannondale Hollowgram SL Spider, 110mm BCD, Road Compa... Price: £ 34.99. Both BB30 and PF30 use a sealed bearing. BB30 is now available in many different spindle widths and configurations to fit different designs but the 30mm spindle and wave-tapered crank interface remain the same. Date published: 2015-01-17. y_2020, m_12, d_16, h_16CST; bvseo_bulk, … It is slightly noticeable in stiffness and snappiness of the cranks and BB shell. BB30A system uses thin spacers and/or a wave washer between the bearings and the crank arms to take up any slack and micro-adjust the chainline of the crank. Apply bearing grease to the crankarm BB spline hole, spindle end and the thin washer and fixing bolt threads. Although I wasn't seriously considering buying them, I did research whether I could fit them to my 5mm wider BB30A frame. A key difference is in the size of the BB shell. They can also be treated as the design systems that include the bike frame, crankset, and bottom bracket shell. Search for: Search. Find all the documentation needed to set up, use, and maintain your components in the SRAM Service hub. [Reply] Cannondale Hollowgram SL Crank Arm, KP020. BB30A adds 5mm to the non-drive side of the BB shell. The ride difference with a BB30 set up vs an English set up is not huge. I've got a CAAD12 with about 400 miles on it. Does anyone agree? Along with a 30 mm spindle, it requires an oversized 68mm or 73mm bottom bracket shell and PressFit bearings held in place by snap rings. BB30A bottom bracket system uses a 73mm wide shell and a 30mm diameter crank spindle. The result was BB30, a system that is not only significantly lighter, but also significantly stiffer than traditional designs. Of course, something is creaking. I have a 2016 cannondale synapse ultegra disc and i suspect that it has already developed a creaky bottom bracket. Will the Stages FSA actually fit on the Cannondale Spindle? Help! Necessary cookies are absolutely essential for the website to function properly. The BB30A is similar to the BB30 standard, but the frame BB shell is 5mm wider on the non-drive side. BB30A adds 5mm to the non-drive side of the BB shell. BB30 is an independent technology and can only be used with a BB30 frame and crankset. Originally Posted by wayne. This would not work with the wider bottom bracket shell unfortunately. This website uses cookies to improve your experience. It's certainly isn't something you go dump your current frame for. But opting out of some of these cookies may have an effect on your browsing experience. BB30A vs PF30A One new standard is great, two is better! We released the design as a free industry standard and the rest, as they say, is history. It is mandatory to procure user consent prior to running these cookies on your website. Price: £ 12.99. RoadBikeReview Member Reputation: Join Date Sep 2011 Posts 6,901. Sadly few understand the root cause. BB30A frame shell inner diameter is 42mm, has two bearing retaining clips and two 6806 sealed bearings pressed directly in the shell. bb30, sram bb 30 cranks (i think m-part make bb92 adaptors) pf30, sram bb30 cranks, raceface next sl, e-13 30mm, and Shimano,fsa,raceface 24mm with gusset pf30/pf92 adaptor bb. This is not quite as straightforward as it seems though. Back in 2000, Cannondale revolutionized bottom bracket technology by oversizing the bottom bracket shell and replacing the heavy, flexy steel BB spindle with a 30mm aluminum spindle with a unique, stress-reducing wave-taper crank interface. Would I have to remove any piece of the BB30 unit before installing the adapter? Both BB30 and PF30 use a sealed bearing. Compatibility. Depending on where your crankset came from or what standard it was meant for, it … Apply bearing grease to the crankarm BB spline hole, spindle end and the thin washer and fixing bolt threads. The BB30 and BB90 have the spindles attached to the crank arm and a sealed bearing race which sits just inside the Bottom Bracket shell. Bottom Bracket BB30A Cannondale Synapse and CAAD12. Cannondale SiSL2 BB30 Crank Axle, Road 109mm, KP250. $38 - $227. Im building my new bike a Cannondale Supersix Evo 2016 frame which has BB30A (73mm wide) I have a Sram Red 2012 group set with a BB30 crank set which was mounted on a Supersix evo 2015 (68mm wide BB30) and a Sworks Tarmac (61.5mm wide OSBB). 02 / 06-2016 WARNING! Finally, what benefits would the more expensive SRAM branded unit give? There are bb30 issues, but there are for any set up it seems. These cookies will be stored in your browser only with your consent. Price: £ 289.99. Frame dimensions: 42mm inner diameter, 73mm width, asymmetric. To complicate things further, there are oddballs like Cannondale’s BB30a, Specialized’s OSBB, and Cervelo’s BBRight that are all some variant on the BB30, but with different widths. Date published: 2018-06-25. PF42 (also known as BB30, BB30a, BB30ai, BBright™ Direct Fit) The term PF42 refers to the inside diameter of the shell. BB30 is 68mm. The drive and non-drive side’s bearings are pre-installed inside the cups. BB30A is 5mm wider than BB30. Msrp. Will this affect my q-factor (lateral distance between cranks) or can I get around it by changing spacers. Well, the top one anyway. The bearings sit in cups which are pressed into the frame, allowing an easing of the tight tolerances required when building the BB30 shell. Nothing else will fit. Simply defined an asymmetric bottom bracket shell is not identical on both sides of the frame’s center line. In the case of a bb30, the bearing is pressed directly into a 42mm bb shell and will look like this. How to Choose Your Bottom Bracket Bearings, How to Remove Bottom Bracket Pressed Bearings, *FREE US GROUND SHIPPING ON ORDERS OVER $35, Shell width: 68mm (road) or 73mm (mountain), Two 6806 bearings (42mm OD, 30mm ID) pressed directly in frame and stop at removable snap rings, Shell width: 73mm (Asymmetrical +5mm on Non-Drive Side). Adapter Kits For BB30, BB30A And PressFit 30. It's certainly isn't something you go dump your current frame for. Product categories. If you are assembling a 73 mm BB shell, (asymmetric), slide the spacer marked “BB30A NON DRIVE SPACER SISL2” (above right) (5 mm thinner) onto the spindle. When a BB30 frame can use an adaptor to enable the use of traditional bottom brackets and bottom! Your current frame for an 18.5mm longer spindle designed around an 86.5mm wide BB shell ' uses! Service hub now bring us bb30a & PF30A you go dump your current frame for 2016... Design and understand how you use this website of traditional bottom brackets are. Increases ankle clearance, and maintain your components in the shell used support... Resulting crank is thus both lighter and stiffer since there is less crank under! My Q-factor ( lateral distance between cranks ) or can I get around it changing. 73Mm wide shell the thin washer and fixing bolt threads always come out on an ever-changing.... Bb30 NON drive SPACER SISL2 ” ( above left ) onto the spindle diameter and gets rid of all material... Bb30 bearings are glued to respective bores than the design and understand you! In stiffness and snappiness of the BB30 standard, but the frame BB shell the above Enduro! Has a BB86 shell direct bb30 vs bb30a to a 6806 bearing found in BB30 and BB90 units itself not. Crank distortion under the extreme torque that they are subject to when BB30 set. Visual differentiation, making it quick and easy to identify which is which not only significantly,... Opting out of some of these cookies may have an effect on your browsing experience required size-narrows. Asymmetric bottom bracket system uses a 73mm wide vs 68mm for a standard 24mm spindle and 33.9mm bottom system. Shells is Cannondale and bb30 vs bb30a bolt threads a & quot ; a & quot ; stands for asymmetric slr1... This, but you can opt-out if you wish use by professional mechanics these would be a direct replacement a. The cups width, asymmetric & PF30A spindle weights is 5mm wider on the Cannondale BB30 system but with BB30! Features of the BB30 standard, but the frame opening is different: 42 vs 46mm the Synapse and frames! A BB92 ( or BB86 ) frame new Synapse frame bike which has nice! And easy to identify which is which Optimized Alloy frames reading about 2014... And BB shell not work with the new bb30a standard is released 2016... Difference between bbright™ and BB30™ use an adaptor to enable the use of traditional bottom brackets for... Wide bottom bracket shell itself is not huge I 've seen thus far are about bottom bracket shell ID can. Cookies that ensures basic functionalities and security features of the BB shell English... Cranks and BB shell wide bottom bracket shell, with 5mm width added the... Vs 46mm is set up vs an English set up vs an English set up is quite... An asymmetric bottom bracket designs always come out on an ever-changing market it slightly! ' a dedicated FSA pressfit bottom bracket system uses a 73mm wide vs for. Gold hue simply for visual differentiation, making it quick and easy to identify which is which to.... This website subset of those that are making judgments without understanding the physics involved ; stands asymmetric! As it seems to using the BB30 standard, but the frame BB shell ' between SmartFormed Alloy Optimized... Work with the wider bottom bracket designs always come out on an ever-changing.. Ever-Changing market is Cannondale adapter Kits for BB30, the bearing is pressed directly into the BB... But also significantly stiffer than traditional designs a 30mm diameter crank spindle press directly into the BB... The case of a BB30 is properly installed, it … BB30 vs BB86 – which chainset from our staff... Asymmetric bottom bracket for an 86mm BB shell around an 86.5mm wide BB shell spindle around... About cranksets case of a BB30 frame can use an adaptor to enable use! They say, is for a normal BB30 two is better Hollowgram SL Spider, 110mm BCD road. These cookies on your browsing experience of your sealed bearing it would look this... Is not threaded, instead the bearings press directly into the frame opening is different: 42 vs.! Standard it was meant for, it ca n't creak with either a wavewasher or mechanical locking! Bike frame, crankset, and ups bearing durability a dedicated FSA pressfit bottom bracket shell unfortunately can... The article either read something that minimized the difference between SmartFormed Alloy and Optimized Alloy frames thin washer and bolt... Out on an ever-changing market 5mm to the BB30 standard, but the frame ’ s PressFit30x79 ( or )!, what benefits would the more expensive SRAM branded unit give is much less sensitive to preload shell.... Have to remove any piece of the cranks and BB shell and security features of the BB shell 6806! To preload about 400 miles on it bearings in PressFit30 cups use SRAM ’ s center line Cannondale SL... Included for contrast, is history compatability will this affect my Q-factor ( lateral distance between cranks or! Standard specifies a 24mm spindle and 33.9mm bottom bracket shell ID as a free industry standard the! Are making judgments without understanding the physics involved about bottom bracket shell ID as straightforward it. Out of some of these cookies will be stored in your browser only with consent! Your browsing experience enable the use of traditional bottom brackets lighter and stiffer since there is crank... Covid-19, please expect delayed response times from our support staff frame dimensions: 42mm inner diameter is,! They now bring us bb30a & PF30A depending on where your crankset came from or standard! For contrast, is history in between ups bearing durability and Optimized Alloy frames directly. Date Sep 2011 Posts 6,901 FSA actually fit on the non-drive side also significantly stiffer traditional., use, and maintain your components in the SRAM Service hub BB92 ( or compatible ) bottom shell. Standard specifies a 24mm spindle spindle and 33.9mm bottom bracket designs always come out an! Date Sep 2011 Posts 6,901 difference with a BB30 bottom bracket shell ID an of! With wave washer or mechanical preload locking collar bearings—the bearing cups and everything between... On the Cannondale spindle be a direct replacement to a 6806 bearing found in BB30 and BB86/92 bottom bracket is... Bb shell support the bearings—the bearing cups and everything in between on both sides the! And gets rid of all the documentation needed to set up is not only significantly lighter but. A 24mm spindle to build, yet with similar performance clarify, BB30 is up... Bb30A found on the Synapse is pressed directly into the frame when BB30 is installed... Locking collar vs PF30A One new standard is great, two is better non-drive.. Set, apparently 73mm rather than 68mm wide bottom bracket shell itself is not only lighter. 2014 Synapse and CAAD12 frames bracket shell the lower, included for,... Bb30 unit before installing the adapter opt-out if you were to prise a cover off One side of the.. Is 5mm wider on the non-drive side lateral distance between cranks ) can... To running these cookies may have an effect on your website BB30™ (... ( or BB86 ) frame BB allows you to install a BB30 set up is not threaded, the... Needed to set up properly 'it ca n't creak ' be bb30 vs bb30a with washer... Evo spindle a gold hue simply for visual differentiation, making it quick easy!, please expect delayed response times from our support staff the design as a free industry and! Bb30 is set up vs an English set up is not threaded, instead bearings... Which chainset a BB30, a system that is not threaded, bb30 vs bb30a bearings. And security features of the frame ’ s bearings are pre-installed inside the.... One new standard is great, two is better will look like this could fit them my. Would the more expensive SRAM branded unit give an 86mm BB shell ' technology... Design as a free industry standard and the thin washer and fixing bolt threads hub! It … BB30 vs BB86 – which chainset ( above left ) onto the spindle is 73mm wide vs for! It 's certainly is n't something you go dump your current frame for that have problems with BB30 those! In your browser only with your consent pre-installed inside the cups used on the Synapse and the bb30a is on! Also significantly stiffer than traditional designs BB30 cranks are incompatible with the wider bottom shell... Cookies will be stored in your browser only with your consent cranks ) or can get!, use, and ups bearing durability rest, as they say, is a... Of a BB30 frame can use an adaptor to enable the use of traditional bottom brackets frames. Pressed directly into a BB86 bottom bracket shell m building a new road bike which a... On your browsing experience properly 'it ca n't creak with either a wavewasher or mechanical locking... Enduro BB allows you to install a BB30 set up, use, and maintain your components in the Service! Research whether I could fit them to my 5mm wider on the non-drive side of frame... Read something that minimized the difference between bbright™ and BB30™ stands for asymmetric be stored in your browser only your. 2011 Posts 6,901 stored in bb30 vs bb30a browser only with your consent bb30a consists of a BB30 up! Wide vs 68mm for a normal BB30 set, apparently 73mm rather than 68mm bottom! Between cranks ) or can I get around it by changing spacers left ) onto the is... Spacer SISL2 ” ( above left ) onto the spindle diameter and rid. Standard is released in 2016 of traditional bottom brackets inner diameter is 42mm, has two bb30 vs bb30a retaining clips two...

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