- Installing CK external bottom bracket?
Just installed a new bb. Have never installed a CK before. Got a little confused with the instructions if I’m honest. 😕
73mm shell, so no spacers inside either cup. Then had to put 4 metal black spacers outside the driveside cup for the chainline to be right.
Is it right that I should have these parts left over?
The two top ones are too narrow to fit around the spindle, so I guess that is fine. The disc spring though?Posted 4 years ago
That’s what I expected HG, but it says:
if installing a MTB-style BB and crankset onto a 68mm shell, install one 2.5mm BB cup spacer onto each bearing cup. No spacers are required for all other setup configurations
Just turned the cranks – it doesn’t sound or feel quite right, so I’m going to have a play with the spacers when I get home tonight and see.Posted 4 years agoMrGFisherMember
All of the above is part of the SRAM conversion kit supplied with the BB. Usually in a separate little bag. You don’t need any of it if not running SRAM/TRUATIV. I have just fitted XX1 and needed all the above for it to work plus four 0.5 thin black spacers you should also have received.Posted 4 years ago
OK, thanks – that is really helpful. This means I need to remove the 4 thin black spacers which I think means that I need one of the larger spacers on, otherwise my cranks will rattle around 😕 I think the manual is geared towards SRAM installation, which is confusing. This thread on MTBR suggests I need a spacer on the driveside:
Oh well, looks like I get to mess up my lovely CK finish with my shimano BB tool. Can anyone remind me which way to turn? 🙁Posted 4 years ago
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