1000km update.
Despite what it looks like in the pic, I've ridden this bike almost exclusively in very cold, very windy and very wet weather.
No issues.
The slipping seatpost seems fixed. I marked it with tape and it hasn't moved in several hundred kilometres now. So hopefully it's sorted.
The brakes are working very well now. The discs and pads took a while to get properly bedded in bc I live in a flat area so I don't brake much to begin with. Add to that the fact that I did a lot of indoor riding, it took some time. But now they work super nice. No squealing. Great modulation.
I'm happy with my fit on this bike now. I feel at home when riding it.
My impression is that it is fast in a straight line. No question.
Cornering is also very confidence inspiring on this bike - also because of the wider tires.
It's very stiff. The only area where I see a lack in stiffness is the headtube area under sprinting efforts. I am by no means a powerful sprinter. But particularly when the speed gets higher in sprints, north of 55 kph, I got it to wobble slightly when pulling on the drops. But that's me being picky.
In terms of compliance it feels slightly imbalanced. The rear feels quite comfy but the front can feel pretty harsh when going over rough roads - despite the headtube not being super stiff. I guess it's just a result of the tube shapes, the geometry and the fact that this frame probably doesn't have a super sophisticated layup in the carbon.
Also, my impression still is that this is not a frame well suited to climbing. Whenever I go uphill, it just doesn't feel that quick. I'm not necessarily slower than on my other bike but it kind of feels that way, despite having my position sorted now. Not sure why that is. It very much feels like a no compromise aero bike in that way.