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Ive just bought a GX Eagle drivetrain to replace my 2x 11 XT setup, both Boost. The GX Eagle chainset is a DUB Boost version. I bought a DUB Press Fit BB to go with it, 73mm - it seems this the wrong one as the BB shell is 92mm wide. So two questions - do I need a BB92 DUB Bottom Bracket? If so, any ideas where I can get one, because I cant see any, anywhere...would another BB work, or does it have to be a SRAM DUB?
I think only Sram make dub BBs don't they?
Hope make a conversion for their bb30 (and pf) so you can use a dub crankset.
do I need a BB92 DUB Bottom Bracket?
Yes
If so, any ideas where I can get one,
Any shop with a Zyro fisher account can get you one. I think the part number is BBDUB6000 for SRAM BB DUB PRESSFIT (MTB) 89.5/92MM. RRP is £40
or does it have to be a SRAM DUB?
I'm not aware of anyone else making bbs for 28.99mm axles but could be wrong.
SDB, thank you, very much appreciated.
Purely out of interest, seeing as I have the 73mm one already - can I not get the plastic tube in the increased width? Or can I even install it without the tube...what do they actually do anyway?
what do they actually do anyway?
They’re designed to stop water/crap that gets into your frame via the head / seat tube from getting onto your axle and BB bearings. If you’ve got a carbon bike with and sealed BB tube a-la Santa Cruz you don’t need one.
Germans have em.
what do they actually do anyway?
They’re designed to stop water/crap that gets into your frame via the head / seat tube from getting onto your axle and BB bearings. If you’ve got a carbon bike with and sealed BB tube a-la Santa Cruz you don’t need one
Interestingly I just did something similar by accidentally ordering an 83mm threaded SRAM bottom bracket. I swapped the centre tube for the old Shimano 73mm one and it fitted perfectly.
Hope sell spare centre tubes, not sure about SRAM though.
Wheels Mfg have started doing them. BB92 one looks speedy though....
Is this the one I need, its not too far from me...