@Richard - Do you know of the model serial number of the Stronglight BB that you bought from Peter White Cycles for your Clem ? ... providing that you have not changed up your stock SILVER double 34/24T rings and spindle length.
>From the information that you have shared, I am concerned about my BB on my Clem not being buttery smooth from the stock Shimano BB and having perhaps a lot of drag. Thank-you. Kim Hetzel. On Friday, February 23, 2024 at 7:09:08 AM UTC-8 Richard Rose wrote: > Thanks Regi. The BB I have on the Gus does work fine. I recently replaced > the Shimano BB on my Clem (it felt very stiff) after 7,000 miles of service > with a Stronglight unit from Peter White. I was shocked how much smother it > is. This got me thinking about replacing the same Shimano unit on my Gus > that only has about 1,600 miles use. One of the IRD higher end units > (UN-95?) came up for sale here in the proper spindle width (122.5) that > caught my eye. It is a 68mm unit but those conversion cups would take care > of that. However I am still confused by the Riv suggestion that you need a > bb with the driveside spacer or offset spindle. As in, is it sufficient to > get a bb with a 122-123 spindle or does it have to be offset. I am guessing > this all has to do with chainline & chainring clearance particularly with > wider tires? > Sent from my iPhone > > On Feb 22, 2024, at 11:42 PM, R. Alexis <noj...@webtv.net> wrote: > > Looking at IRD website the IRD Quad has a 73mm conversion cups and a > conversion washer to change the 68 to a 73. Bottom brackets without a > shoulder can be mounted to work with both 68 and 73mm bottom brackets. The > bottom bracket would fit further in the shell. I did this with a TruVativ > Powerspline bottom bracket. Had the shoulder machined off the 68mm driver > side to fit further in the 73mm bottom bracket. The person that took it to > have it machined didn't know to leave the tool mounting splines. I ended up > putting spanner pins in to install. > > > Does the current spindle length work and fit for your use? Do both the > arms and chainring clear sufficiently? Are you changing cranks? > > I know that on my SunTour cranks with 110/74 BCD and 175mm length I think > they specify possibly a 125 or 127mm spindle, but 122.5mm spindles have fit > fine on my bikes. Only bike using 127mm is the Schwinn High Plains > Aluminum. > > Thanks, > > Reginald Alexis > > On Thursday, February 22, 2024 at 3:20:18 PM UTC-6 rmro...@gmail.com > wrote: > >> Well, now I feel stupid. I did not scroll enough. Riv does indeed sell >> 73mm bottom brackets & one of them has the 2.5 drive side spacer. I presume >> that one is offered for the Gus/Susie frames. I still don’t see how one of >> the IRD bb could work at only 68mm. >> Sent from my iPhone >> >> On Feb 22, 2024, at 3:12 PM, Garth <gart...@gmail.com> wrote: >> >> >> >> I see their web catalog explanations are as clear as mud ! Maybe that's >> why they couldn't convey it to you either. They have 73mm UN55's but no >> explanations, only this... >> >> 113, 118 >> >> 122.5 x 73, 48.8 chainline >> >> 123, B23X, Right +2.5mm >> sigh ..... >> >> This can't work for the Silver crank on a Susie ? >> Well WHY ? .... simple question ... -:) >> >> Just being honest, I tend not to want to deal with people that aren't >> able to give clear answers to my direct questions, or don't have the wits >> to ask me to clarify the questions, to be more specific to get a more >> specific answer. "Explain so a child can understand it" never seems to >> fail. "Why ?" can never be asked enough as far as I'm concerned. So to all >> those inquisitives asking repeatedly WHY ?.....I tip my hat to you in >> gratitude.... Y-Not ! >> >> I can't give you a specific answer about your crank/bb as much as I may >> wish to as I'm not a mind reader seeing things as they do. I have a stock >> of various length cartridges on hand and a bag of various spacers and I >> play around with the combo that suits where I want the crank to be in >> relation to the frame. Why ? :-) Because someone can "recommend" a certain >> setup and it be perfect from their perspective. That may or may not apply >> to anyone else though. It's no different that a mfr. spec'ing a certain >> spindle or chainline. It's proper from their perspective setting up, but >> doesn't apply to all the various possibilities otherwise. It is what it >> is.... let it go and do what you gotta do.. always with a smile ..... >> >> >> >> On Thursday, February 22, 2024 at 1:14:10 PM UTC-5 rmro...@gmail.com >> wrote: >> >>> I asked about this when I bought my Gus and got no conclusive answers. I >>> really did not get a conclusive answer from Riv either. When I ordered a >>> bunch of components from Riv for my Gus build the answer I got about what >>> BB to get went something like " we will look into it and send you the right >>> one". The one I got does work but the box it came in does not give me the >>> information I seek. >>> Here are my questions. Gus and Susie have 73 shells. Riv does not list >>> 73 bb's for sale. And they suggest which 68mm IRD one to get for your >>> Gus/Susie - 123 width with right side spacer(?). Am I to conclude that 68mm >>> bottom brackets work on a 73mm shell? An Tange bb has become available that >>> is a 68mm with a 122.5 spindle. Will it work on my Gus. What about the >>> drive side spacer? >>> Please excuse my ignorance. I would like to upgrade my bottom bracket >>> and really have no idea what will fit best. I gather a lot of different >>> spindle lengths will work but not ideally? >>> >> -- >> You received this message because you are subscribed to the Google Groups >> "RBW Owners Bunch" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to rbw-owners-bun...@googlegroups.com. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/rbw-owners-bunch/76ac1f10-6aeb-48b2-94eb-130c8ede7915n%40googlegroups.com >> >> <https://groups.google.com/d/msgid/rbw-owners-bunch/76ac1f10-6aeb-48b2-94eb-130c8ede7915n%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> >> -- > You received this message because you are subscribed to the Google Groups > "RBW Owners Bunch" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to rbw-owners-bun...@googlegroups.com. > > To view this discussion on the web visit > https://groups.google.com/d/msgid/rbw-owners-bunch/3dbd8e78-34bc-41f0-8c52-065947fc271an%40googlegroups.com > > <https://groups.google.com/d/msgid/rbw-owners-bunch/3dbd8e78-34bc-41f0-8c52-065947fc271an%40googlegroups.com?utm_medium=email&utm_source=footer> > . > > -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. 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