00:00Why do so many modern bikes have dropped seat stays?
00:03Well this 3D printed model that we found in BMC's Impec lab might help explain it.
00:09The lever pushes up on the rear dropouts and that simulates the rear wheel of the bike hitting the
00:14bump in the road. As you can see the bike closest to us has a lot more deflection when the
00:20same
00:20amount of force is applied, thanks to the less rigid structure allowing the seat tube and rear
00:25triangle of the bike to move more. This vertical deflection of the saddle is what brands are
00:31calling compliance. So will your next bike have dropped seat stays? Let us know in the comments below.
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