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BB30 life. Lbs spinning a yarn or not?

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  • September 23, 2014 at 7:20 pm #22443
    singlespeedan

    I took a relatively new caad 10 back to the shop for it’s free 6/8 week service, mainly due to a creaky bottom bracket that had got worse from basically the first ride.
    After being asked how many miles I’d done ( around 600/700 miles) I was told that this about as much as I should expect from a bb30 before servicing. Needless to say I was pretty incredulous as it doesn’t mention anything on the cannondale brochure about service intervals.
    anyone had similar problems? Am I expecting too much from a modern bb?

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Viewing 15 replies - 1 through 15 (of 24 total)
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  • October 7, 2014 at 6:15 pm #815633
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    pablo

    Checked mine last week after
    Checked mine last week after commenting on this thread no issues. It does make you wonder if it is a problem with the BB30 system or an installation/design issue with the frames.
    A bearing that feels rough is obviously done and has most likely died from contamination but if creaks are happening with no rough running of the bearing I find it hard to believe the bearings failed it’s more likely to be flex in the shell/BB. Difficult to tell without having had the issues (My frames a Felt for ref)

    October 7, 2014 at 4:51 pm #815631
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    Anonymous

    giobox wrote:pablo wrote:Over

    giobox wrote:
    pablo wrote:
    Over 3000 miles on mine now with no issues although the bikes due an end of season service so i will check when the chains off. Had a squeak but that turned out to be cleats.

    Anyone seen a trend around which manufactures/bikes suffer most?

    Aluminium Cannondales seem especially prone to BB30 creaks. Appreciate this is a limited sample size, but of the 8 people I can think of with an alloy BB30 Cannondale bike, all of them have struggled with the creak at some point. I haven’t heard of the issue on the Carbon Supersix/Synapses nearly as much.


    My CAAD8 got to 2500km and didn’t creak from the BB once.

    The Boardman is PF30 and creaks all the b’stard time.

    October 7, 2014 at 2:39 pm #815629
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    230548

    Yes i think the bike game has
    Yes i think the bike game has gone mad, surely it could have just made the original bb just a bit more user friendly, i started riding again, at 50 and just bought a bianchi with all campag, not intending to fiddle mechanic wise with it but let the local bike shop service it, but gradually got drawn into doing my own stuff, the amount of tools you now need for campag is ridiculous, plus i’m not too impressed with the ultra torque system having the play taken up with a wave washer!!! and now it seems every year brings a new type off BB ~X(

    October 7, 2014 at 12:23 pm #815627
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    gabriel959

    Got a supersix with BB30,
    Got a supersix with BB30, still on the original bearings after a few thousand miles. Have ridden it during downpours too.

    October 7, 2014 at 11:56 am #815625
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    harman_mogul

    Yup, Praxis converter is a
    Yup, Praxis converter is a quality item — good call.

    October 7, 2014 at 10:38 am #815623
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    glynr36

    Flying Scot wrote:but I have

    Flying Scot wrote:
    but I have a frame that’s been in use since 1953 an it’s only on its second bottom bracket, gets serviced every 24 months or so, new balls and grease.

    Reminds me of triggers broom…

    October 7, 2014 at 10:35 am #815621
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    Paul J

    I had a persistent creak with
    I had a persistent creak with a CAAD10. I had the LBS service/regrease the bottom bracket several times, but to no avail. Eventually they discovered there was actually a fault in the FSA SL-K Light chainset that caused to have play somewhere and creak. As the bike was still less than 2 years old they had it replaced for me under warranty. Worth checking your chainset.

    October 7, 2014 at 12:43 am #815619
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    willythepimp

    My BB30 was creaking under
    My BB30 was creaking under torque initially, after around 800 miles. Replaced at 1300 miles, as it had become a constant low rumble. My god it was like someone had issued me new legs when I spun up the new BB.

    September 24, 2014 at 11:50 pm #815617
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    giobox

    pablo wrote:Over 3000 miles

    pablo wrote:
    Over 3000 miles on mine now with no issues although the bikes due an end of season service so i will check when the chains off. Had a squeak but that turned out to be cleats.

    Anyone seen a trend around which manufactures/bikes suffer most?

    Aluminium Cannondales seem especially prone to BB30 creaks. Appreciate this is a limited sample size, but of the 8 people I can think of with an alloy BB30 Cannondale bike, all of them have struggled with the creak at some point. I haven’t heard of the issue on the Carbon Supersix/Synapses nearly as much.

    September 24, 2014 at 9:28 pm #815615
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    pablo

    Over 3000 miles on mine now
    Over 3000 miles on mine now with no issues although the bikes due an end of season service so i will check when the chains off. Had a squeak but that turned out to be cleats.

    Anyone seen a trend around which manufactures/bikes suffer most?

    September 24, 2014 at 9:00 pm #815613
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    Flying Scot

    I’m sure I will be advised of
    I’m sure I will be advised of the benefits to the rider of press fit bottom brackets, but I have a frame that’s been in use since 1953 an it’s only on its second bottom bracket, gets serviced every 24 months or so, new balls and grease. Admittedly it takes a wee bit of time to set up, ride, then fine tune, but after that, it’s fine for thousands of miles with very little drag or slack.

    I am an engineer, there is nothing with the system in theory, just the way the cycle industry has chosen to apply it, which is usually a weight/tolerance/quality/serviceability mix

    September 24, 2014 at 8:42 pm #815611
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    giobox

    mike the bike wrote:I’m the

    mike the bike wrote:
    I’m the first to admit that I don’t push out a thousand watts but I do ride about five thousand miles a year, in all weathers, and at reasonable speed. And I honestly cannot remember the last time I had any kind of problem with a BB. No squeaks, no clicks, no dry bearings, no adjustments, no lubing, nothing.

    Could this be because, at my price point, I invariably get either Shimano Hollowtech II or Campag PowerTorque. Very similar in design, these are simple and rely on proven engineering, nothing experimental here. Reading this thread makes me determined to continue in this vein, life is enough trouble without inviting more.

    You’re kind of right. Expect to see press-fit systems move further and further down manufacturer’s ranges though (the CAAD8’s move to BB30 a year or two ago is a good example of this). The big impetus for these threadless systems is besides supposedly allowing for stiffer BB shells, they are cheaper for manufacturers to build as no threading/facing needed.

    I have a mix of threaded and threadless BBs accross my bikes, and the threaded BBs invariably last forever without any need for installation press tools/loctite etc.

    September 24, 2014 at 7:34 pm #815609
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    CXR94Di2

    I had my pf30 swapped out for
    I had my pf30 swapped out for the SRAM bearing conversion. This includes pressing two plastic cups into the bottom bracket, then using threaded bearings which fit into the cups. It cleared the bb creak. I just need to change my cleats pedal for new ones to stop them squeaking.

    September 24, 2014 at 5:39 pm #815607
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    tailwind10

    I’ve seen quite a difference
    I’ve seen quite a difference in lifespan of BB30 bearings. From 700 to 4,000 miles approx. However what I do like is that the bearings are cheap as chips and simple to replace once you have the appropriate tool. I buy my bearings on ebay five for a tenner and keep some in the cupboard for whenever they are needed.
    Never used loctite, always grease and have never had creaks without the bearing itself starting to fail.
    I’ve also just used a Wheels Manufacturing converter to allow Shimano Hollowtech chainsets to be used on a BB30 frame. These plastic pieces push into the BB30 bearings. Early days but done a couple of hundred miles with no problems.

    September 24, 2014 at 4:41 pm #815605
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    mike the bike

    I’m the first to admit that I
    I’m the first to admit that I don’t push out a thousand watts but I do ride about five thousand miles a year, in all weathers, and at reasonable speed. And I honestly cannot remember the last time I had any kind of problem with a BB. No squeaks, no clicks, no dry bearings, no adjustments, no lubing, nothing.

    Could this be because, at my price point, I invariably get either Shimano Hollowtech II or Campag PowerTorque. Very similar in design, these are simple and rely on proven engineering, nothing experimental here. Reading this thread makes me determined to continue in this vein, life is enough trouble without inviting more.

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