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You're right the routing doesn't look ideal but the direct mount brakes have good modulation and are definitely a step up from the older dual pivot ones on my #1SS. Probably helps having clean, fresh cables. For me the only downside with them is the extra bracing bridge that they need behind the calipers. A bit clunky looking but again its just aesthetics - function wise they're great.
I was lucky. I think it was the last 54 they had at Sigma Sport. TBH, it's a far better bike than I'll ever be as a rider.