Trek Top Fuel 9.9 XTR Di2 Gen 4

Top Fuel 9.9 is a lightweight carbon trail bike built to devour climbs and stay agile on descents. With its 120mm/130mm (rear/front) suspension package featuring a Fox Factory Float shock, it offers the control needed to tackle roots and rocks. Plus, with the all-new, iconic Shimano XTR Di2 wireless drivetrain, you can count on confident, lightning-fast shifting.

We reserve the right to make changes to the product information on this website at any time without notice, including equipment, specifications, models, colours, materials and prices. Due to supply chain issues, compatible parts may be substituted at any time without notice.

Bicycle and frame weights refer to painted pre-production products at the time of printing. The weight of the finished product may vary.

Trek was founded in 1976 in Waterloo, Wisconsin, by Dick Burke and Bevil Hogg and is still based in the same city today. It makes road, mountain, gravel, city and electric bikes to support different ways of riding. Its story began in a barn, with 904 steel touring frames produced in its first year.