quick view Extang Extang 15-21 Chevy/GMC Canyon/Colorado (5 ft bed) Trifecta ALX - 90350 MSRP: $599.99 The easiest truck bed cover just got easier. The Trifecta ALX packs the same great features as Extang ??s best-selling tri-fold cover, the Trifecta 2.0, but with a Secure Rotary Release Latching System at the tailgate and an automatic latching feature... Add to Wish List Add to My Wish List Create New Wish List Compare