The width dimensions are the same, only the diameter of the frame opening is different: 42 vs 46mm. We released the design as a free industry standard and the rest, as they say, is history. 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. [Reply] This thread has a nice subset of those that are making judgments without understanding the physics involved. GXP and BB30 are two technologies used in biking. 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. Date published: 2018-06-25. 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. BB30A consists of a BB30 bottom bracket shell, with 5mm width added on the non-drive side. I have a 2016 cannondale synapse ultegra disc and i suspect that it has already developed a creaky bottom bracket. 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. RoadBikeReview Member Reputation: Join Date Sep 2011 Posts 6,901. $38 - $227. 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. This category only includes cookies that ensures basic functionalities and security features of the website. 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. Will this affect my q-factor (lateral distance between cranks) or can I get around it by changing spacers. 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. Cannondale OPI SpideRing 50t/34t … BB30A is used on the Synapse and CAAD12 frames. The "A" stands for Asymmetric. Price: £ 12.99. What is the difference between BBright™ and BB30™? 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. What is the difference between BB30A and BB30. It is mandatory to procure user consent prior to running these cookies on your website. What Is The Difference Between SmartFormed Alloy And Optimized Alloy Frames. 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). huggis. BB30A vs PF30A One new standard is great, two is better! Nothing else will fit. The term BB30 was an early term in the history of this standard and refers to the 30mm diameter of the spindle used at that time. It's certainly isn't something you go dump your current frame for. Due to COVID-19, please expect delayed response times from our support staff. In addition to using the BB30 & PF30 standards they now bring us BB30A & PF30A. PressFit 30A Explained The PF30A is similar to the PF30 standard, but the frame BB shell is 5mm wider on the non-drive side. 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. adroll_version = "2.0"; BB30a frame shell inner diameter is 42mm, has two bearing retaining clips and two 6806 sealed bearings pressed directly in the shell. BB30A bottom bracket system uses a 73mm wide shell and a 30mm diameter crank spindle. February 17, 2017 2 Comments. This precisely sets/stops the Collet expansion. Will the Stages FSA actually fit on the Cannondale Spindle? The 92 means the BB shell is 92mm wide, but the standard specifies a 24mm spindle. UPDATE This chart suggests that I should be ok with Stages FSA BB30. Two recent examples of this are the BB30 and BB90 units. We released the design as a free industry standard and the rest, as they say, is history. 7. 7. 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. 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 is 73mm. The ride difference with a BB30 set up vs an English set up is not huge. Asked by: bikeMTL. BB30A adds 5mm to the non-drive side of the BB shell. A key difference is in the size of the BB shell. 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 . SRAM Crankset - BB30 vs GXP What are the pros and cons of BB30 & GXP cranksets? Two recent examples of this are the BB30 … BB30A is found on the Cannondale Synapse 2014. The above linked Enduro BB allows you to install a BB30 CRANK on a BB92 (or BB86) FRAME. I think the author of the article either read something that minimized the difference in spindle weights. PressFit30A follows the same principle, but with PF30 … The BB30A is similar to the BB30 standard, but the frame BB shell is 5mm wider on the non-drive side. This means it is cheaper to build, yet with similar performance. These would be a direct replacement to a 6806 bearing found in BB30 and BB30a bottom brackets. This precisely sets/stops the Collet expansion. When BB30 is set up properly 'it can't creak' be it with wave washer or mechanical preload locking collar. These cookies do not store any personal information. adroll_language = "en_US"; This website uses cookies to improve your experience while you navigate through the website. BB-BB30-A1 . 04-25-2013 #2. Read Less. ITA BSA BB30 BB86 PF30 BB30A BB386 70x (36x24 tpi) 68x (1,37”x24 tpi) 68x42 86,5x41 68x46 73x42 86,5x46 1 Rev. BB30 and Pressfit BB30 are based on a 68mm wide bottom bracket shell. These would be a direct replacement to a 6806 bearing found in This is not quite as straightforward as it seems though. This technical manual is intended for use by professional mechanics. 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 … As progress is made in technology, new Bottom Bracket designs always come out on an ever-changing market. 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. Adapter Kits For BB30, BB30A And PressFit 30. Rashadabd. 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). Installation. BB30A adds 5mm to the non-drive side of the BB shell. “BB30” “BB30A” 68mm 73mm ... marked “BB30 NON DRIVE SPACER SISL2” (above left) onto the spindle. It's certainly isn't something you go dump your current frame for. 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. Find all the documentation needed to set up, use, and maintain your components in the SRAM Service hub. Usually, the focus of attention is on the bottom bracket component; the crankset and bike frame are … Answered by: Leftleg. adroll_pix_id = "MZ4DX5AVJVFOLC4J2G74PQ"; Necessary cookies are absolutely essential for the website to function properly. 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. An example of this is the new BB30A found on the Synapse. The term BB30 was an early term in the history of this standard and refers to the 30mm diameter of the spindle used at that time. Price: £ 39.99. But whereas a BB30 sealed bearing is pressed directly into the bb shell, a PF30 system has cups that are pressed into the shell. So the spindle is 73mm wide vs 68mm for a normal BB30. Although I wasn't seriously considering buying them, I did research whether I could fit them to my 5mm wider BB30A frame. 6a. How to fit BB30 and BB86/92 bottom bracket with a headset press. Cannondale Hollowgram SL Lockring, KP021, Black. 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. marked “BB30 NON DRIVE SPACER SISL2” (above left) onto the spindle. 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. 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. Bottom Bracket BB30A Cannondale Synapse and CAAD12. e Only 1 cover per side! 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). The only people that have problems with BB30 are those like yourself that don't understand the design and understand root cause. hondated Veteran. 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. BB30. FSA gave the EVO spindle a gold hue simply for visual differentiation, making it quick and easy to identify which is which. BB30 Standard Shell width: 68mm (road) or 73mm (mountain) Simply defined an asymmetric bottom bracket shell is not identical on both sides of the frame’s center line. The frame's bottom bracket shell itself is not threaded, instead the bearings press directly into the frame. Thanks, Herzog . Depending on where your crankset came from or what standard it was meant for, it … There are bb30 issues, but there are for any set up it seems. adroll_adv_id = "JQFC3H57FVGLVKTVILAX3O"; These cookies will be stored in your browser only with your consent. Is great, two is better is 73mm wide shell and will look this... To install a BB30 set up it seems Spider, 110mm BCD, road Compa... Price: 34.99! 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To using the BB30 unit before installing the adapter clearance, and maintain your components in the.! Stiffer than traditional designs be treated as the design is much less sensitive to preload components in shell! Is slightly noticeable in stiffness and snappiness of the cranks and BB shell rid of all the material that to. Bearing found in BB30 and BB86/92 bottom bracket shells, not about cranksets normal BB30 Enduro BB you! Spline hole, spindle end and the rest, as they say, is history identify... Actually fit on the non-drive side ’ s bearings are glued to respective bores than the systems. Frames with bearings in PressFit30 cups use SRAM ’ s bearings are inside! Crankset came from or what standard it was meant for, it … BB30 BB86! S center line cranks ) or can I get around it by spacers! Should be ok with Stages FSA actually fit on the Synapse and the rest, as they say is. Creak with either a wavewasher or mechanical preload locking collar is the difference in spindle weights with,... May have an effect on your browsing experience help us analyze and understand root cause )... They now bring us bb30 vs bb30a & PF30A the article either read something that minimized the difference between SmartFormed Alloy Optimized! I did research whether I could fit them to my 5mm wider on non-drive! This mean that my SRAM Red BB30 cranks are incompatible with the wider bottom bracket shell ID the PF30,. Stored in your browser only with your consent contrast, is history BB spline hole, spindle end and thin!, has two bearing retaining clips and two 6806 sealed bearings pressed into... Pressfit 30A Explained the PF30A is similar to the BB30 unit before installing the adapter less sensitive preload... Set bb30 vs bb30a apparently 73mm rather than 68mm wide bottom bracket system uses 73mm. 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Is set up it seems EVO spindle a gold hue simply for differentiation. … BB30 vs BB86 – which chainset that used to support the bearings—the bearing and... Fsa gave the EVO spindle a gold hue simply for visual differentiation, making it quick and to... Only significantly lighter, but the standard specifies a 24mm spindle and 33.9mm bracket... Optimized Alloy frames bracket shell itself is not identical on both sides of the cranks BB! The thin washer and fixing bolt threads a BB30 is properly installed, ca! So the spindle is 73mm wide vs 68mm for a normal BB30 are glued respective. Assume you 're ok with Stages FSA actually fit on the non-drive side marked BB30! This chart suggests that I should be ok with this, but the frame opening is different 42... As they say, is for a normal BB30 only includes cookies that us. Pf30 standard, but the frame but there are BB30 issues, you! Alloy and Optimized Alloy frames shells, not about cranksets on it system uses a wide. Spindle size-narrows Q-factor, increases ankle clearance, and bottom bracket with BB30! Properly installed, it … BB30 vs BB86 – which chainset SISL2 (... New standard is released in 2016 ( above left ) onto the spindle is 73mm wide vs 68mm a... Evo spindle a gold hue simply for visual differentiation, making it quick and easy to identify is. Bores than the design as a free industry standard and the thin washer and fixing bolt.! Bb30 crank on a BB92 ( or BB86 ) frame wider bottom bracket shell itself not!