Originally Posted by
bikerjp
PBK has GP4000s on sale again. $40 each and if you buy 4 it's down to $36. Not sure if there are any coupons you could add on top.
Planet Cyclery has been selling 2-packs for $80 for a while now. Fast shipping and no hassles of international ordering.
http://www.planetcyclery.com/tires/