Apex models feature the four-cylinder 150 HP fuel-injected Genesis 150 FI, one wicked engine that runs and runs and runs. You can again get a standard Apex, an Apex GT with more features, a rough-trail Apex RTX, and a longer tracked Apex LTX. For the best ride, the Apex LTX GT adds the Ohlins set-up from the Apex GT for the ultimate Apex ride quality (our favorite). All get a new rear heat exchanger to increase cooling capacity. All Mono Shock suspensions were improved for 2008, so the 2009s deliver great ride quality on the trail.