Hi greatbeard
What’s the availability of dmr’s (praxis) bottom brackets like?
I got the impression that the aftermarket bb’s had the 28 and 30mm cups on the ‘wrong’ sides?
not a problem AFAIK, you get them from DMR – a few others advertise them too.
I got a spare BB to carry with on trips because you’re right the 28 and 30 are reversed from other manufacturers. I guess that’s because the non drive side crank is fixed to the axle, opposite to SRAM.
non drive side bearing doesn’t last that long (to be a fair its wet and muddy where I ride, care needed with hose!) – I’ve decided to replace actual bearings rather than BB, which isn’t hard on the side I’ve done.
(I will get blueseal 6806 bearings from now on, better seals are claimed and they are fully packed with Mobil “boat trailer axle grease” bought from Trailvision on ebay https://www.ebay.co.uk/itm/301260858556?ul_noapp=true), both sides are same size bearing, so, crank side is same actual bearing but sleeved to 28 – I’ve not yet tried extracting and reusing that sleeve.
It’s a good solid crankset for sure, I like the SRAM spline so I can use AsbsoluteBlack chainrings – and maybe LHS bearing life will be a lot better with the blueseal bearing and more care when cleaning.
Neil