Professional-Grade Mountain Bike (Trek Top Fuel 9.9)
$10,499.99
Estimated value as of 2026 · Trek Bikes official website (model: Top Fuel 9.9 XTR Di2 Gen 4)
A high-end carbon fiber mountain bike used by professional athletes in cross-country racing.
Fun fact Professional mountain bikes can cost $5,000-$12,000 and weigh as little as 22 pounds while supporting a rider and absorbing extreme terrain impacts.
sportscyclingmountain-bikeprofessional-gradecarbon-fiber
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