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Old 09-23-11, 07:06 AM   #1
RB1-luvr
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I need a new bottom bracket and crankset for RB-1

Can I use this?.....FSA Gossamer MegaExo S10 170mm 39-53 Crankset with BB

another option I am thinking of is the FSA Vero if I can find one in non-compact gearing. What size square taper bottom bracket would I need (length of spindles) 68x___?

thanks in advance for advice.
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Old 09-23-11, 07:09 AM   #2
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Your RB-1 is standard English threaded so any English threaded bb will work. The crank model will dictate the configuration (square taper, ISIS, Octalink or various external bearing version) and spindle length.
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Old 09-23-11, 07:13 AM   #3
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ok cool.

so I can use the Gossamer set up? I am just confused by the external threaded cups, because the Shimano bottom bracket in it now is internal. Wasn't sure the frame could accept the external pieces.

if this makes any sense.

one more question: I only have one modern type BB tool, it fits the SRAM Rival BB on my Kestrel. Will that tool work for the Gossamer?

I'll have to figure out what tool I need to remove the Shimano bb.
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Old 09-23-11, 07:41 AM   #4
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You need the Park BBT-22 or it's equivalent to remove your Shimano cartridge bottom bracket.

FAS uses the same bb tool for their external bb cups as SRAM, Shimano and others. Park's BBT-9 or BBT-19 fit them all.
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Old 09-23-11, 07:41 AM   #5
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This tool (and probably yours if it is different) works on most of the modern external cup BBs including Sram & FSA:

http://www.parktool.com/product/bott...ket-tool-bbt-9

What model of shimano crank/bb do you have now? If you just want it out and are going to be installing something modern you may do just as well to have an LBS do it as you won't need the tool after that.
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Old 09-23-11, 07:48 AM   #6
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canam - I hear you, and typically that's the route I've gone in the past, but I'm trying to up my mechanical skills and I want to update my toolbox. All my tools are old-school 80s-ish stuff.

I figure if I don't dive in and start learning this stuff, I'm going to be left completely behind rather than just a little behind like I am now.

so cool, I'll order the BBT-22 to remove the Shimano bb I have, and according to you folks, I'll be all set installing the Gossamer external cups with the tool I have now for the SRAM bb.

as always, this forum is fantastic. I really appreciate the help.

I'm off to order stuff with confidence thanks to you all...

Last edited by RB1-luvr; 09-23-11 at 07:52 AM.
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Old 09-23-11, 09:05 AM   #7
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you are replacing everything .. the old BB goes out with the Crank-set,
so you need removal tools.. and different installation ones.
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Old 09-23-11, 09:15 AM   #8
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^^ yup, I ordered the BBT-22 to remove the existing Shimano cartridge bb, and I have the correct tool already to install the new FSA bb (I bought it to tighten the SRAM bb on my Kestrel)

thanks
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