Opinions? I know there is a large difference in price but what about their quality and feel and all those different things people are yelling about on here. This isn't about which bike im buying, its a trade im doing. There would also be some cash to balance it out.
I have a BK but have never tried a Rush. Are your riding on the track or road or both? The BK is a great track frame, but honestly, its too damn stiff for the street....it bucks and bounces and doesn't handle bumps and waves in the road as well as a proper road frame. Obviously, its not really designed for road riding, but most people ride them on the road anyway.
In my opinion the BK is way overpriced. In terms of real value I'd say the BK and Rush are nearly equivalent frames..both are TIGed frames made a good steel with similar geometry. I've heard the Rush is not as stiff as the BK...if that translated into a somewhat better riding frame, I'd say the Rush is the better frame (for the street). But like I said, I've never tried a Soma Rush, but I'm curious.
If you can trade a BK for a Rush+cash, you would be getting the better end of the deal IMO.