TREK TOP FUEL 9.8 XT GEN 4 – SIZE M
The Top Fuel 9.8 XT Gen 4 is a lightweight carbon trail bike that impresses with high climbing efficiency and precise agility on descents. The OCLV Mountain Carbon frame with 120 mm of travel is paired with a RockShox Pike Select+ 130 mm fork and a RockShox Deluxe Ultimate shock. In size M, the bike rolls on 29" wheels and is equipped with a full Shimano XT 12-speed drivetrain.
Product Details
• OCLV Mountain Carbon frame, 120 mm travel
• Four-position adjustable Mino Link
• RockShox Pike Select+, 130 mm
• RockShox Deluxe Ultimate RCT, 185 × 50 mm
• Bontrager Line Comp 30 wheels, Tubeless Ready, 29"
• Front tire: Bontrager Pirebar RSL 29 × 2.5"
• Rear tire: Bontrager Gunnison RSL 29 × 2.4"
• Shimano XT M8100, 12-speed
• Shimano XT cassette 10–51 teeth
• Shimano XT crank, 30 teeth, 170 mm crank arm length
• Shimano XT M8120 4-piston disc brake
• Shimano RT86 brake rotors, 180 mm
• Bontrager Line Dropper, 170 mm travel (size M)
• Bontrager 35 mm stem
• Saddle: Verse Comp
• Integrated Bontrager BITS frame storage
• Color: Lunar Silver
Technical Specifications
• Model year: 2025
• Size: M / L
• Travel: 130 mm front / 120 mm rear
• Bottom bracket: BSA threaded
• Max. chainring size: 34 teeth (min. 30 teeth)
• Max. frame tire size: 29 × 2.50"
• Weight: 13.85 kg
• Max. system weight: 136 kg
Order Information
• Product name: Trek Top Fuel 9.8 XT Gen 4
• Color: Lunar Silver
• Size: M / L
• Manufacturer number: 5319669 (The bike offered here is built in the color Lunar Silver)
Conclusion
An efficient and versatile carbon trail bike in size M with high-quality RockShox suspension and complete Shimano XT componentry. Lightweight, precise, and ideal for demanding trails with a focus on agility and control.

















