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The Top Fuel 8 Gen 4 is a nimble alloy trail bike that strikes a balance between quick climbing efficiency and descending confidence.
The Top Fuel 8 Gen 4 is a nimble alloy trail bike that strikes a balance between quick climbing efficiency and descending confidence.
Trek

Trek Top Fuel 8 Gen 4 Mountain Bike In Matte Dark Web

£3,500.00
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Pre-Launch

With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined

Trek Top Fuel 8 Gen 4 Mountain Bike In Matte Dark Web

Season:2025

Brand:Trek

Code:46143BLK

The Top Fuel 8 Gen 4 is a nimble alloy trail bike that strikes a balance between quick climbing efficiency and descending confidence.

It packs in a versatile 130 mm front and 120 mm rear travel for ripping over rocks and roots without sacrificing power on ascents. It's built from lightweight Alpha Platinum Aluminium that helps save your budget for bike trips, but packs in upgrades where they matter, like a 12-speed Shimano XT and SLX drivetrain, and a Fox Rhythm 34 fork.

It's right for you if...You want an alloy full suspension that's ready to rip. You like to ride everything from cross-country hot laps to all-mountain adventures, and you need a bike that's light, versatile and confident. You've got an appreciation for the durability of aluminium, but want upgrades where they matter, like your drivetrain and suspension.

The tech you get - An Alpha Platinum Aluminium frame equipped with a 4-way Mino Link lower shock mount for tweaking geometry and suspension leverage rate. A 130 mm FOX Rhythm 34 fork with Float EVOL air spring and GRIP damper, plus 120 mm of rear travel from a FOX Performance Float shock with a 3-position damper. It's topped off with a Shimano XT/SLX 12-speed group set, hydraulic disc brakes, a Bontrager Line dropper post and Tubeless Ready Bontrager Line Comp 30 wheels.

The final word - The Top Fuel 8 Gen 4 is ready to cut loose from all-day climbs to rooty descents. It balances capability and efficiency, with just enough travel to keep the ride smooth without eating up your pedalling power. It gives you the perfect blend of affordability, with a rugged alloy frame and upgrades where they matter, like the Shimano XT/SLX drivetrain.

Features:

  • Its lightweight frame and versatile geometry make it the perfect choice for all kinds of rides and all kinds of riders
  • The 4-way Mino Link makes it easy to adjust your geometry or leverage rate for how and where you want to ride
  • You get a sweet balance of price and performance with upgraded components and a rugged alloy frame
  • The Alpha Platinum Aluminium frame is robust, yet light, and packs in updated internal frame storage for easy access to gear 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
    Alpha Platinum Aluminium, internal storage, tapered head tube, internal guided routing, downtube guard, OCLV Next rocker link, Mino 4 link, ABP, Boost148, 120 mm travel
  • Fork
    Fox Rhythm 34, Float EVOL air spring, GRIP damper, tapered steerer, 44 mm offset, Boost110, 15 mm Kabolt axle, 130 mm travel
  • Shock
    Fox Performance Float DPS, 3-position damper, 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
    Bontrager Line Comp 30, Tubeless-Ready, Rapid Drive 54, 6-bolt, Boost148, 12 mm thru axle
  • Skewer Rear
    Bontrager Switch thru-axle, removable lever
  • Tyre (Size: S)
    Bontrager Gunnison Pro XR, Tubeless-Ready, wire bead, 60 tpi, 27.5x2.40"
  • Tyre (Size: M, ML, L, XL)
    Bontrager Gunnison Pro XR, Tubeless Ready, dual compound, aramid bead, 60 tpi, 29x2.40"
  • Tyre Part
    Bontrager TLR sealant, 180 ml/6 oz
  • 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 Deore M6120, 30T ring, 55 mm chainline, 170 mm length
  • Bottom Bracket
    Shimano BB-MT501 BSA
  • Cassette
    Shimano SLX M7100, 10-51T, 12-speed
  • Chain
    Shimano SLX M7100, 12-speed
  • Max. Chainring Size
    1x: 34T, min 30T
  • Saddle
    Bontrager Verse P3, chromoly rails
  • Seatpost (Size: S)
    Bontrager Line Dropper, 100 mm travel, MaxFlow, internal routing, 34.9 mm, 310 mm length
  • Seatpost (Size: M, ML, L, XL)
    Bontrager Line Dropper, 170 mm travel, MaxFlow, internal routing, 34.9 mm, 450 mm length
  • Handlebar
    Bontrager Line, alloy, 35 mm, 27.5 mm rise, 780 mm width
  • Grips
    Bontrager XR Trail Comp, nylon lock-on
  • Stem
    Bontrager Elite, 35 mm, 0-degree, 45 mm length
  • Brake
    Shimano 4-piston hydraulic disc, M6100 lever, M6120 calliper
  • Brake Rotor
    Shimano RT66, 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 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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