New 2020 Sprint Spikes! New releases, Spike stiffness and recommendations

Today we take a look at the newly released Nike Superfly Elite 2 and the Puma Tokyo Future and brush sprint spikes along with the previously released spikes from Adidas, the Prime SP and the Finesse, A look into a little bit of spike science and the need for stiffness along with some recommendations for entry level spikes. --- Send in a voice message: https://anchor.fm/sports-performance/message