I have a few pairs of old XC spikes and I am wondering if there's any reason I shouldn't use them when I'm out running some of the technical trails I run on?
It seems like they'd be great although I'd have to change the spikes out pretty regularly.
Anyone have any reasons why I shouldn't do this?
http://www.runningwarehouse.com/Nike_Zoom_Rival_XC/descpageMRS-NRXCM1.html
http://www.roadrunnersports.com/rrs/products/NIK1474/mens-nike-zoom-waffle-xc-10/