I’m with you on this. Threaded for alum, pressfit for carbon due to how many warranties there have been on the bonded aluminum inserts in carbon frames. Carbon cranks have the same issue.
Seems like the warranty issue on threaded carbon frames is getting better as the carbon factories in Taiwan learn how to bond aluminum better, but it’s still a place where there’s extra complexity, possible/probable failure, weight, and cost. On a pressfit, if you have issues you can just go buy a $100 Wheels Manufacturing thread-together BB and you’re good. It’s better for keeping frames alive for 10 years.
But yeah, you need extra tools for pressfit, so that part sucks for folks who don’t have a pro level shop in their garage like some of us. Again, Wheels Manufacturing to the rescue.
I say this on every freakin thread when pressfit comes up, mostly because I feel like there’s this big narrative against pressfit that came from a few frames with crap tolerances vs it being an issue of bad design.
And so goes my battle against throw away consumerism. Design stuff to last, even if it requires a compromise or two.
Aug. 22, 2021, 9:07 a.m. - JVP
I’m with you on this. Threaded for alum, pressfit for carbon due to how many warranties there have been on the bonded aluminum inserts in carbon frames. Carbon cranks have the same issue. Seems like the warranty issue on threaded carbon frames is getting better as the carbon factories in Taiwan learn how to bond aluminum better, but it’s still a place where there’s extra complexity, possible/probable failure, weight, and cost. On a pressfit, if you have issues you can just go buy a $100 Wheels Manufacturing thread-together BB and you’re good. It’s better for keeping frames alive for 10 years. But yeah, you need extra tools for pressfit, so that part sucks for folks who don’t have a pro level shop in their garage like some of us. Again, Wheels Manufacturing to the rescue. I say this on every freakin thread when pressfit comes up, mostly because I feel like there’s this big narrative against pressfit that came from a few frames with crap tolerances vs it being an issue of bad design. And so goes my battle against throw away consumerism. Design stuff to last, even if it requires a compromise or two.