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As @Brommers says. Have been riding the grooved surface for the last 6 months. Hopped on a bike with alloy braking surfaces today and even in the dry it is night and day. Maybe the rims wont delaminate on descents but stopped performance hasn't improved anywhere near as much.
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Yeah I echo the same experience. Rim brake performance on carbon is frighteningly bad. Literally frightening.
Scary moment for me coming down a hill in the rain with a roundabout at the bottom. Sold the wheels after that. Fuck dying for the sake of rad looking deep section rims.
But if you absolutely have to have carbon rims then disc brakes are the only valid option -
My experience is the grooved is great in the dry, compared to older ££ carbon wheelsets which aren't textured. They don't seem to eat pads any quicker or slower so if you have the money then just get them.
In the wet I can't say they are par for the course for carbon. But who rides carbon rim brakes in wet conditions and expects great braking anyway, unless you are racing.
Not used the ones they sell but incomparable performance between Miche, Enve, Lineline blue....weirdly SwissStop Black Prince was fine for me but the Yellow King was awful. Really loud, loads of material on the brake track, not nearly as much bite. Avoid.
Reading LB’s website they offer at least 2 braking surfaces for the non-disc braked rims. Aside from the price difference is there any tangible way to assess the difference? I’ve seen “High TG surface” and “Grooved Graphene surface”
And my second question to any of you running either of these surfaces; how do they perform in damp / wet / downpour conditions compared to an aluminium rim?
Thirdly what pads are a proven choice to use with these rims?