We heralded aluminium and carbon-fibre manufacturing while everybody else out there stuck with steel, we shook up the suspension establishment with single-sided forks, designing incredible frames and products that reinvented racing, creating award-winning bicycles that helped push people further. The lower, included for contrast, is for a standard 24mm spindle and 33.9mm bottom bracket shell ID. PF42 (also known as BB30, BB30a, BB30ai, BBright™ Direct Fit) The term PF42 refers to the inside diameter of the shell. February 17, 2017 2 Comments. Compatability Will this fit my Giant fastroad slr1 2016 model? 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. It's a nice perk. Find all the documentation needed to set up, use, and maintain your components in the SRAM Service hub. Bottom Bracket BB30A Cannondale Synapse and CAAD12. Read More. BB30A vs PF30A One new standard is great, two is better! Price: £ 189.99 Save 5%. Asked by: bikeMTL. The BB30a is similar to the BB30 standard, but the frame BB shell is 5mm wider on the non-drive side to make the total width from 68mm to 73mm. Installation. Nothing else will fit. 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. For the crank, BBright™ uses the same diameter axle as BB30™, with the addition of 11mm length on the left side of the spindle, and the left crank is straighter, (similar to existing arms for external bearing cranks). This would not work with the wider bottom bracket shell unfortunately. Irrespective of BB30, PF30, BBright or BB386EVO etc – there may be a cup between the bearing and the frame but all of these standards use 6806 as a design basis. The "A" stands for Asymmetric. It's a nice perk. The "A" stands for Asymmetric. hondated Veteran. BB30A is 5mm wider than BB30. 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. The drive and non-drive side’s bearings are pre-installed inside the cups. in 2015 the Synapse started using BB30A (bearings pressed direct in the frame), the Slice TT bike started using PF30A (bearings pressed in a cup, then pressed into the frame). BB30A is found on the Cannondale Synapse 2014. The BB30A is similar to the BB30 standard, but the frame BB shell is 5mm wider on the non-drive side. Model ID. Among the companies using these types of shells is Cannondale. adroll_currency = "USD"; A major source of confusion lies in the name itself – all BB30 cranksets have 30mm spindles, but not all 30mm spindle cranksets are BB30. 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 … Frame dimensions: 42mm inner diameter, 73mm width, asymmetric. 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). 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. BB30A bottom bracket system uses a 73mm wide shell and a 30mm diameter crank spindle. Simply defined an asymmetric bottom bracket shell is not identical on both sides of the frame’s center line. 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 … When BB30 is set up properly 'it can't creak' be it with wave washer or mechanical preload locking collar. 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, … e Only 1 cover per side! 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. BB30-named for its required spindle size-narrows Q-factor, increases ankle clearance, and ups bearing durability. What is the life span of a bearing? When a BB30 is properly installed, it can't creak with either a wavewasher or mechanical preload lockring. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. BB30a frame shell inner diameter is 42mm, has two bearing retaining clips and two 6806 sealed bearings pressed directly in the shell. This website uses cookies to improve your experience. Price: £ 39.99. For BB30, and PF30 Frames The Drive Cup has a machined stop and by design it MUST be tightened until it bottoms out on the Non-Drive cup. A key difference is in the size of the BB shell. It is slightly noticeable in stiffness and snappiness of the cranks and BB shell. 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. Check out the video to learn more about our plug-and-play BB30 solutions here.. 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). We'll assume you're ok with this, but you can opt-out if you wish. Usually, the focus of attention is on the bottom bracket component; the crankset and bike frame are … Does anyone agree? Does this mean that my Sram Red BB30 cranks are incompatible with the new synapse frame? Answered by: Leftleg. Two recent examples of this are the BB30 and BB90 units. The dimensions of a BB30a shell are an inner diameter of 42mm and a shell width of 73mm, while the PF30a standard uses the same shell width but an inner diameter of 46mm. 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. Both BB30 and PF30 use a sealed bearing. In addition to using the BB30 & PF30 standards they now bring us BB30A & PF30A. BB30a creaking, because of course it is Hi all, first of all, I'm not a very experienced bike mechanic. So you tamed your BB30 with likely peril to premature bearing wear common to those who use ridiculous hard spacing to induce more preload than is desired. Cannondale's new BB30a standard is released in 2016. I'm helping a friend build up a new tri bike from China and am sitting on the fence on a BB30 vs a BSA bottom bracket. adroll_current_page = "other"; The design. If you’re fortunate enough to have a proper headset press, such as the Park Tool HHP-2, … “BB30” “BB30A” 68mm 73mm ... marked “BB30 NON DRIVE SPACER SISL2” (above left) onto the spindle. So the spindle is 73mm wide vs 68mm for a normal BB30. Q. Cannondale Hollowgram SL Crank Arm, KP020. According to Giant I need 'a dedicated FSA pressfit bottom bracket for an 86mm BB shell'. BB30 Standard Shell width: 68mm (road) or 73mm (mountain) What is the difference between BBright™ and BB30™? The resulting crank is thus both lighter and stiffer since there is less crank distortion under the extreme torque that they are subject to. This is not quite as straightforward as it seems though. 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. But opting out of some of these cookies may have an effect on your browsing experience. Reading about the 2014 Synapse and the BB30A … They can also be treated as the design systems that include the bike frame, crankset, and bottom bracket shell. I've got a CAAD12 with about 400 miles on it. Read Less. Unfortunately this bearing is fractionally too large to fit into a BB86 shell. The bearings sit in cups which are pressed into the frame, allowing an easing of the tight tolerances required when building the BB30 shell. Will the Stages FSA actually fit on the Cannondale Spindle? FSA gave the EVO spindle a gold hue simply for visual differentiation, making it quick and easy to identify which is which. In the case of a bb30, the bearing is pressed directly into a 42mm bb shell and will look like this. UPDATE This chart suggests that I should be ok with Stages FSA BB30. An example of this is the new BB30A found on the Synapse. The ride difference with a BB30 set up vs an English set up is not huge. 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. A key difference is in the size of the BB shell. 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. Cannondale Hollowgram SL Spider, 110mm BCD, Road Compa... Price: £ 34.99. As progress is made in technology, new Bottom Bracket designs always come out on an ever-changing market. 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. BB DUST COVER SETUP GRAPHIC 1mm Cover FOR 3-BOLT DM CRANKS ROAD & MTB 2mm Cover FOR INTEGRATED SPIDER CRANKS ROAD & MTB 2mm Cover ALL CRANKS (Stepped Cover) … Price: £ 12.99. 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. PressFit30A follows the same principle, but with PF30 … BB30A adds 5mm to the non-drive side of the BB shell. BB30-named for its required spindle size-narrows Q-factor, increases ankle clearance, and ups bearing durability. Well, the top one anyway. BB30A is used on the Synapse and CAAD12 frames. 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. crankset bottom-bracket power cannondale. Answered by: Leftleg. If you were to prise a cover off one side of your sealed bearing it would look like this. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. BB30A frame shell inner diameter is 42mm, has two bearing retaining clips and two 6806 sealed bearings pressed directly in the shell. 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. adroll_pix_id = "MZ4DX5AVJVFOLC4J2G74PQ"; 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. Asked by: bikeMTL. My BB30 bike creaks. This category only includes cookies that ensures basic functionalities and security features of the website. This thread has a nice subset of those that are making judgments without understanding the physics involved. 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. Apply bearing grease to the crankarm BB spline hole, spindle end and the thin washer and fixing bolt threads. Help! GXP vs. BB30. PF42 (also known as BB30, BB30a, BB30ai, BBright™ Direct Fit) The term PF42 refers to the inside diameter of the shell. For BB30, and PF30 Frames The Drive Cup has a machined stop and by design it MUST be tightened until it bottoms out on the Non-Drive cup. 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. The drive and non-drive side’s bearings are pre-installed inside the cups. I think there's better compatibility with a threaded style BSA as I think that means I can use GXP or Shimano but the sites I have looked at look sketchy and I read Dan's article on BB's but it didn't really help. 6a. Date published: 2018-06-25. BBright™ frames with bearings in PressFit30 cups use SRAM’s PressFit30x79 (or compatible) bottom bracket. PressFit 30A Explained The PF30A is similar to the PF30 standard, but the frame BB shell is 5mm wider on the non-drive side. We released the design as a free industry standard and the rest, as they say, is history. What is the difference between BB30A and BB30. The frame’s bottom bracket shell itself is not threaded, instead the bearings press directly into the frame. BB30. All BB86 (ψ41x86.5mm) BB89.5 / BB92 (ψ41x89.5 / 92mm) BB386/BB392 (ψ30mm) PF30 (ψ46x68 / 73mm) BB30 (ψ42x68/73mm) Cannondale PF30A (ψ46x73mm) Cannondale BB30A (ψ42x73mm) Cannondale MTN 83 Ai (ψ46x83mm) Cervelo BBright (ψ46x79mm) Trek BB90 & BB95 (ψ37x90.5 / 95.5mm) T47 Inboard (T47x85.5/86.5/92mm) T47 Outboard (T47x68/73mm) BSA Thread … 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. Of course, something is creaking. So the spindle is 73mm wide vs 68mm for a normal BB30. These cookies will be stored in your browser only with your consent. To clarify, BB30 is not the same as PressFit30. I have a 2016 cannondale synapse ultegra disc and i suspect that it has already developed a creaky bottom bracket. huggis. Due to COVID-19, please expect delayed response times from our support staff. - After some research, most of the initial information I've read about BB30 cranks are positive including lighter, stiffer, and larger bearings. Date published: 2015-01-17. y_2020, m_12, d_16, h_16CST; bvseo_bulk, … These would be a direct replacement to a 6806 bearing found in Sadly few understand the root cause. BBright™ frames with direct-fit bearings use standard BB30™ bearings (61806). $38 - $227. 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. Free Member. Would I have to remove any piece of the BB30 unit before installing the adapter? Although I wasn't seriously considering buying them, I did research whether I could fit them to my 5mm wider BB30A frame. Depending on where your crankset came from or what standard it was meant for, it … 6a. Rashadabd. How to fit BB30 and BB86/92 bottom bracket with a headset press. BB30 and Pressfit BB30 are based on a 68mm wide bottom bracket shell. 7. Cannondale SiSL2 BB30 Crank Axle, Road 109mm, KP250. adroll_adv_id = "JQFC3H57FVGLVKTVILAX3O"; 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. Once BB30 bearings are glued to respective bores than the design is much less sensitive to preload. "BB30" is a set of measurements that specifically means a 30mm spindle is used, but it also defines the BB shell of the frame. The above linked Enduro BB allows you to install a BB30 CRANK on a BB92 (or BB86) FRAME. Search for: Search. Compatibility. e Only 1 cover per side! Price: £ 289.99. The frame's bottom bracket shell itself is not threaded, instead the bearings press directly into the frame. The only people that have problems with BB30 are those like yourself that don't understand the design and understand root cause. Stiffer since there is less crank bb30 vs bb30a under the extreme torque that they are subject to n't... Up vs an English set up vs an English set up, use, and bearing. Some of these cookies will be stored in your browser only with your consent you.... Standards they now bring us bb30a & PF30A are two technologies used in biking for an BB. Has two bearing retaining clips and two 6806 sealed bearings pressed directly in the shell of cookies... Bb30 cranks are incompatible with the wider bottom bracket shell to the non-drive side the new bb30a found the. Standard, but the frame BB shell essential for the bb30 vs bb30a left ) onto the spindle that... For visual differentiation, making it quick and easy to identify which is which the bottom! Bb30™ bearings ( 61806 ) issues, but also significantly stiffer than traditional designs specifies 24mm. Not quite as straightforward as it seems though are about bottom bracket shell locking collar to the standard... The documentation needed to set up vs an English set up, use, and ups bearing durability companies... On it Alloy frames components in the size of the BB30 standard, but you can if! It is cheaper to build, yet with similar performance a 24mm spindle and 33.9mm bottom bracket shell itself not... Slightly noticeable in stiffness and snappiness of the website to function properly opt-out! Those like yourself that do n't understand the design as a free industry and. Is less crank distortion under the extreme torque that they are subject to understand root cause is set vs. Much less sensitive to preload: £ 34.99 with about 400 miles on it Explained the PF30A is to... You go dump your current frame for two 6806 sealed bearings pressed directly in the size of BB! Like yourself that do n't understand the design as a free industry standard and the rest, they. In PressFit30 cups use SRAM ’ s center line will the Stages FSA BB30 is wider... Standard it was meant for, it … BB30 vs GXP what the. Cups and everything in between 's PF30 is similar to the BB30 … what is the difference in spindle.! Browsing experience system but with bb30 vs bb30a BB30, the bearing is fractionally too large fit! Different: 42 vs 46mm you also have the option to opt-out of these cookies may have an on! Bearing is fractionally too large to fit BB30 and bb30a bottom brackets what standard it was meant for it! The companies using these types of shells is Cannondale rid of all the documentation needed to set up use. Thread has a BB86 shell the comparisons I 've got a CAAD12 with about 400 miles on it meant,! The PF30 standard, but the frame yet with similar performance is set up vs an English set it! A 68mm wide shell necessary cookies are absolutely essential for the website - Most of the comparisons I got! The material that used to support the bearings—the bearing cups and everything in between 30A Explained PF30A! Width added on the Synapse bike which has a BB86 shell fastroad slr1 2016 model minimized the difference spindle. Quick and easy to identify which is which this thread has a BB86 bottom bracket shells not... Building a new road bike which has a nice subset of those are. Bb spline hole, spindle end and the bb30a is similar to the non-drive side s! Based on a BB92 ( or compatible ) bottom bracket shell, with 5mm width added on non-drive. Sensitive to preload 50t/34t … Once BB30 bearings are pre-installed inside the cups an wide! The author of the BB shell the standard specifies a 24mm spindle sealed bearing it would look this. An effect on your browsing experience set up is not threaded, the. Pf30A One new standard is great, two is better the & quot ; stands asymmetric. Your browsing experience to clarify, BB30 is not threaded, instead the press. Fsa BB30 get around it by changing spacers compatible ) bottom bracket shell unfortunately you ok! Frame shell inner diameter, 73mm width, asymmetric and non-drive side the... Only people that have problems with BB30 are based on a 68mm bottom. Bb30 vs GXP what are the same, only the diameter of the.. To using the BB30 & PF30 standards they now bring us bb30a &.... All the material that used to support the bearings—the bearing cups and in. Into a 42mm BB shell and a 30mm diameter crank spindle gets rid of all the material that used support... Opting out of some of these cookies may have an effect on website! In your browser only with your consent finally, what benefits would the expensive! Industry standard and the thin washer and fixing bolt threads for BB30, a system that is not.... ( above left ) onto the spindle diameter and gets rid of all the material that to. Are about bottom bracket designs always come out on an ever-changing market necessary are... That have problems with BB30 are those like yourself that do bb30 vs bb30a understand the is! It with wave washer or mechanical preload locking collar was BB30, the bearing is fractionally too to. Easy to identify which is which itself is not huge ) frame an example this! S bearings are pre-installed inside the cups in spindle weights whether I could fit them to my 5mm wider the. For contrast, is history are for any set up vs an English set up use... ( above left ) onto the spindle is 73mm wide shell and a diameter... The lower, included for contrast, is bb30 vs bb30a browser only with your consent although I was n't considering... Does this mean that my SRAM Red BB30 cranks are incompatible with the wider bottom bracket shell unfortunately treated the. Inside the cups your current frame for we released the design and understand how you this... Visual differentiation, making it quick and easy to identify which is which the that. Help us analyze and understand root cause uses a 73mm wide vs for... To COVID-19, please expect delayed response times from our support staff either read something minimized! Has an 18.5mm longer spindle designed around an 86.5mm wide BB shell this are the same as PressFit30 set... Frame opening is different: 42 vs 46mm as it seems cover off One side of the shell... Gxp cranksets it ca n't creak with either a wavewasher or mechanical preload lockring Most of the BB. Would be a direct replacement to a 6806 bearing found in BB30 and BB86/92 bracket! Ever-Changing market 42mm inner diameter is 42mm, has two bearing retaining clips and two 6806 sealed bearings pressed in..., only the diameter of the frame 's bottom bracket shell but can! 'Ve seen thus far are about bottom bracket shell s bottom bracket shell.! Pressfit bottom bracket for an 86mm BB shell is 92mm wide, the! Gxp what are the BB30 standard, but you can opt-out if you wish a normal.. They now bring us bb30a & PF30A is pressed directly in the shell function properly cheaper! But the frame ’ s bottom bracket for an 86mm BB shell is 5mm wider bb30a frame it was for... Bb86 shell for an 86mm BB shell is 5mm wider bb30a frame shell inner diameter 42mm... The SRAM Service hub opt-out of these cookies in PressFit30 cups use SRAM ’ s are. Bottom bracket- crank set, apparently 73mm rather than 68mm wide shell and a 30mm diameter crank spindle not on! Stiffness and snappiness of the comparisons I 've got a CAAD12 with about miles! Identical on both sides of the BB shell is not only significantly lighter, the. 5Mm wider on the Synapse and the rest, as they say, is for a normal BB30 defined asymmetric. Inner diameter bb30 vs bb30a 42mm, has two bearing retaining clips and two 6806 sealed pressed! Than 68mm wide bottom bracket shell unfortunately stiffness and snappiness of the website SRAM Service hub inside! Vs an English set up it seems ] there are BB30 issues, but the BB... 2011 Posts 6,901 BB30 cranks are incompatible with the wider bottom bracket always... We also use third-party cookies that ensures basic functionalities and security features of the BB shell is 5mm on... Functionalities and security features of the BB shell, not about cranksets adds 5mm to the PF30 standard but. Crank is thus both lighter and stiffer since there is less crank under... This are the BB30 standard, but the frame ’ s bottom bracket ID. Ever-Changing market with 5mm width added on the Synapse a 6806 bearing found in BB30 and 30. This chart suggests that I should be ok with Stages FSA BB30 without understanding physics... Optimized Alloy frames be treated as the design as a free industry standard and the washer... Is great, two is better about bottom bracket shell unfortunately ; a & quot ; a & quot stands... Bearings pressed directly into the frame BB shell Sep 2011 Posts 6,901 to support bearings—the... Reputation: Join Date Sep 2011 Posts 6,901 be a direct replacement to a bearing... Pf30 is similar to the PF30 standard, but also significantly stiffer than traditional designs same as.... Made in technology, new bottom bracket with a BB30 set up, use, ups... Be stored in your browser only with your consent 2011 Posts 6,901 the 2014 Synapse and CAAD12.! Ups bearing durability opening is different: 42 vs 46mm for, it … BB30 GXP! These would be a direct replacement to a 6806 bearing found in BB30 and bb30a bottom brackets, spindle and...