Hi all, need a little help figuring out what will or won’t work in bottom bracket land for my my 2015 Scott Addict. I don’t currently have a BB installed in the frame.
the bike is specced with a Dura Ace SM-BB92-41 bottom bracket which is a BB86 press fit.
I have a BB30 Quarq Riken R that I would like use in the frame. I have read a million forum posts and information and am more confused than ever. Is it possible either via adapters or a special BB set to use the BB30 crank in a BB86 shell?
Secondly if possible is it a good idea or am I asking for trouble?
Rotor makes BB to use your BB30 into a BB86 http://rotorbike.com/products/triathlon/bb86_213
Encompassing all Bottom Brackets Standards
The UBB is simple: It fits everything. For BB86 frames, this means you can install 30mm. axle with Press Fit 4130 and the 24 mm. crank with the PRESS FIT 4124 (see characteristics in the versions page).
The UBB is a concept that encompasses and works with ALL BB standards, forever eliminating complicated BB/Crank compatibility problems. There is always a UBB crank to fit your bike irrespective of its BB type. What’s more, there is almost always an unexpected UBB30 upgrade solution for non 30mm frames!
Sorry, but I am going to contradict all of the previous posts! If the OP does indeed have a BB30 Quarq Riken R with a 30mm diameter spindle intended for use on frames with a a 68mm wide bottom bracket shell (reference the Quarq compatibility chart), regardless of the adapter or bearings used, the BB30 crank/powermeter is not going to work. The Scott Addict frame has a BB86 bottom bracket shell that is marginally 86mm wide and unlike a BB86 or BB386 crank, the spider for the OP’s BB30 crank does not have enough offset to work with the wider bottom bracket shell.
Thanks for popping in to rain on my parade here! This is the kind of stuff that keeps getting my turned around. I have examined the Quarq page you linked quite a bit and the quote below let me to believe that it was possible, but then again I might be confused.
INTEGRATED BOTTOM BRACKET - BB86 AND BB90COMPATIBLE POWER METERS:
Fitting BB30 power meters in a Specialized OSBB requires spacers found in the SRAM BB30 Assembly Kit.
Quarq ELSA R
Quarq RIKEN R
Thank you for your thoughtful reply, I will measure everything and maybe that will clear things up for me, appreciate the info.
Congrats on the bike. I ride an addict team issue and absolutely love it.
as for the PM, why not just email quarq? I’m sure they’d give you an accurate answer super quick…e.g…I have a Scott addict, I have this PM, what do I need to make them play together if possible? Let us know please!
I believe the Quarq spider clearance is only an issue with the BB386EVO bottom bracket. The Quarq BB30 spindle has always been longer than standard BB30 crank spindles and fits most BB standards.
Using 30mm with BB86 I’d be more worried about how the bearings hold up over time since this BB shell inner diameter was intended for 24mm spindle diameters. I think I’ve seen double row 30mm bearing options offered so maybe this addresses the potential bearing issues?
I’d echo what others have mentioned and just confirm compatibility directly with Quarq.
This is the kind of stuff that keeps getting my turned around. I have examined the Quarq page you linked quite a bit and the quote below let me to believe that it was possible, but then again I might be confused.