2026 Trek Top Fuel 9.8 XT Di2 Gen 4 Mountain Bike Top Fuel 9.8 is a lightweight carbon trail bike built to rip up climbs and stay playful on descents. It gives you the confidence you want through roots and rocks, thanks to a 120mm/130mm (rear/front) RockShox suspension package with a Pike Select+ fork and Deluxe Ultimate shock. Plus, you get ..

2026 Trek Top Fuel 9.9 XTR Di2 Gen 4 Mountain Bike Top Fuel 9.9 is a lightweight carbon trail bike built to rip up climbs and stay playful on descents. It gives you the confidence you want through roots and rocks thanks to a 120mm/130mm (rear/front) suspension package with a Fox Factory Float shock. Plus, you get confident lightning-fast shif..

2026 Trek Top Fuel RSL Gen 4 Mountain Bike Top Fuel RSL takes the ride-anything capability of our favorite short-travel trail bike and ups the race-ready factor. Its OCLV Mountain Carbon frame partners with a 120mm RockShox SID Ultimate fork and 120mm SIDLuxe Ultimate shock — both with Flight Attendant. It comes ready to rally with Bontrager ..