  Living legend The bike that ruled the podium at the height of mountain bike racing is back to reclaim the top step. Refined and reinvigorated with new technology, Top Fuel is the fastest bike on the trail. The better-than-ever Top Fuel is the fast, versatile choice for the cross country racer, marathon rider, and the entire Trek Factory Racing World Cup team. Key features - RE:aktiv XC: the smartest, fastest, most efficient shock ever - Boost000/000: stronger wheels, more tire clearance, shorter stays - Mino Link adjustable geometry lets you fine-tune your ride - Exclusive suspension tech with ABP and Full Floater  The bike that ruled the podium at the height of mountain bike racing is back to reclaim the top step. Refined and reinvigorated with new technology, Top Fuel is the fastest bike on the trail. The better-than-ever Top Fuel is the fast, versatile choice for the cross country racer, marathon rider, and the entire Trek Factory Racing World Cup team. Key 