The thing to look at with any Gen 2 aftermarket swingarm is the way the particular manufacturer "anchors" the rear brake caliper. On a stock Gen 2 arm, there is a channel inside the right inner swingarm spar that the rear caliper fits into, preventing from rotating EITHER way, front or back. This is the correct and preferred method. Most aftermarket swingarm manufacturers don't do this, they have you bolt a triangular "stop" on the caliper that hits the top of the arm and prevents it from rotating forward when you apply the brake. Rolling the bike backwards with this setup can cause the caliper to rotate backward, off the arm . . . when you apply the brake the next time, it the stop slams into the top of the arm, putting marks in the powdercoat. McIntosh does it this way, C&S does it this way, Trac Dynamics does not - they do it the right way, just like stock. That is why we prefer the Trac arms on Gen 2s. This situation does not apply to Gen 1s. Of course, you can always modify an arm, add a tab and put your own brake arm on, hanging the caliper under the arm, but why should you do that? If you are going to pay well over a thousand for an arm, get one that is done right. I don't know how Evil does it, maybe someone can chime in on that, but do your homework!