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The Top Fuel 9.8 XT Gen 4 is a lightweight carbon trail bike built to rip up climbs and stay playful on descents.
The Top Fuel 9.8 XT Gen 4 is a lightweight carbon trail bike built to rip up climbs and stay playful on descents.
Trek

Trek Top Fuel 9.8 XT Gen 4 Mountain Bike In Lunar Silver

£6,000.00
Size Guide
Trek Top Fuel 9.8 XT Gen 4 Mountain Bike In Matte Dark Web
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We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined

Trek Top Fuel 9.8 XT Gen 4 Mountain Bike In Lunar Silver

Season:2025

Brand:Trek

Code:46161SIL

The Top Fuel 9.8 XT Gen 4 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 120 mm/130 mm RockShox suspension package with a Pike Select+ fork and Deluxe Ultimate shock. Plus, you get clean shifts from a 12-speed Shimano XT drivetrain.

It's right for you if...You're after a carbon trail bike that keeps weight to a minimum without compromising on capability. You like to ride everything – long alpine climbs, rooty aspen slalom, fast XC singletrack and you want a bike that can keep up on the ups and hold its own on the downs. Keeping things light with a carbon frame is important to you, and you want the light yet precise shifting of a Shimano XT drivetrain.

The tech you get - An OCLV Mountain Carbon frame with a 4-way Mino Link lower shock mount for tweaking geometry and suspension leverage rate. A 130 mm RockShox Pike Select+ fork with DebonAir spring, and Charger 3.1 RC2 damper, plus 120 mm of rear travel from a RockShox Deluxe Ultimate RCT shock. A Shimano XT 12-speed drivetrain, Shimano XT 4-piston hydraulic brakes, Bontrager Line dropper post and tubeless-ready Bontrager Line Comp 30 wheels.

The final word - If you're after a light carbon trail bike that balances a playful and capable ride, reach for Top Fuel 9.8 XT Gen 4. Its ultra-lightweight frame pairs with a 4-way Mino Link lower suspension mount for taking control of your geometry and suspension feel. Plus, you get clean shifts from a Shimano XT drivetrain and a sweet RockShox suspension package.

Features:
  • The Top Fuel Gen 4 delivers with an intensely lightweight build, improved in-frame storage and more adjustability for all kinds of rides and riders
  • With 120 mm rear and 130 mm front RockShox suspension, it delivers a well-balanced ride that stays efficient on the ups and playful on descents
  • The 4-way Mino Link makes it easy to adjust your geometry or leverage rate for how and where you want to ride
  • In-frame storage with an improved BITS bag system makes it easy to stash tools, tubes and snacks
  • It's more upgrade-ready than ever, with room for bigger 140 mm forks and longer-stroke shocks for up to 130 mm of rear travel, plus room for extra-long dropper posts
Technical Information
  • Frame
    OCLV Mountain Carbon, internal storage, tapered head tube, internal guided routing, downtube guard, OCLV Next rocker link, Mino 4 link, ABP, Boost148, 120 mm travel
  • Shock
    RockShox Deluxe Ultimate RCT, 185 mm x 50 mm
  • Max Compatible Fork Travel
    140 mm
  • Wheel Front (Size: S)
    Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15 mm thru axle, 27.5"
  • Wheel Front (Size: M, ML, L, XL)
    Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15 mm thru axle, 29"
  • Wheel Rear (Size: S)
    Bontrager Line Comp 30, High Strength 6000 Series Aluminium rim, Tubeless-Ready, Rapid Drive 108, 6-bolt, Shimano MicroSpline freehub, Boost148, 12 mm thru axle, 27.5"
  • Wheel Rear (Size: M, ML, L, XL)
    Bontrager Line Comp 30, High Strength 6000 Series Aluminium rim, Tubeless-Ready, Rapid Drive 108, 6-bolt, Shimano MicroSpline freehub, Boost148, 12 mm thru axle, 29"
  • Skewer Rear
    Bontrager Switch thru-axle, removable lever
  • Tyre (Size: S)
    Bontrager Gunnison RSL XT, Tubeless-Ready, triple compound, aramid bead, 120 tpi, 27.5x2.40"
  • Tyre (Size: M, ML, L, XL)
    Bontrager Montrose RSL XT, Tubeless-Ready, triple compound, aramid bead, 120 tpi, 29x2.40"
  • Tyre (Size: M, ML, L, XL)
    Bontrager Gunnison RSL XT, Tubeless-Ready, triple compound, aramid bead, 120 tpi, 29x2.40"
  • Rim Strip
    Bontrager TLR
  • Max Tyre Size
    Frame: 29x2.50", Fork: See manufacturer
  • Shifter
    Shimano XT M8100, 12-speed
  • Rear Derailleur
    Shimano XT M8100, long cage
  • Crank
    Shimano XT M8120, 30T, 55 mm chain line, 170 mm length
  • Bottom Bracket
    Shimano BB-MT501 BSA
  • Cassette
    Shimano XT M8100, 10-51, 12-speed
  • Chain
    Shimano Ultegra/XT M8100, 12-speed
  • Max. Chainring Size
    1x: 34T, min 30T
  • Saddle
    Verse Short Comp, steel rails, 145 mm width
  • Seatpost (Size: S)
    Bontrager Line Dropper, 100mm travel, MaxFlow, internal routing, 34.9 mm, 310mm length
  • Seatpost (Size: M, ML, L, XL)
    Bontrager Line Dropper, 170 mm travel, MaxFlow, internal routing, 34.9 mm, 450 mm length
  • Grips
    Bontrager XR Trail Elite, nylon lock-on
  • Brake
    Shimano XT M8120 4-piston hydraulic disc
  • Brake Rotor
    Shimano RT86, 6-bolt, 180 mm
  • Rotor Size
    Max brake rotor sizes – Frame: 200 mm, min 180 mm, Fork: see fork manufacturer
  • Bag
    Bontrager BITS Internal Frame Storage Bag
  • Weight
    M - 13.45 kg / 29.66 lbs (with TLR sealant, no tubes)
  • Weight Limit
    This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb).
Sizing Information
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