Treks Top Fuel 8 fuses the lightweight efficiency of a cross country bike with the capability & forgiveness of a trail bike. Its quick, nimble, & dishes out serious fun on flow trails & techy descents alike, with a 120 mm Rock Shox fork, 115 mm of rear travel & a dropper post for getting low on the rough stuff. This bike is fully capable of shredding singletrack, racing gruelling endurance events & even holds its own on the XC course.