2025

TREK Top Fuel 9 Gen 4

Mountain · Trail · Unisex
Frame material Aluminum
Groupset X01 Eagle AXS, GX Eagl...
Wheel size 27.5
Drivetrain 1 × 12 Electronic
Chain Sram Gx Eagle, T-Type,...
Tires Size: S, Bontrager Gun...
Brake type Hydraulic Disc
See all specifications ↓
RRP
€4,799 incl. taxes
Observed price — New
€4,559 incl. taxes
5 price points
Min: 1234 € (XXXXXXXXX)
Max: 1234 € (XXXXXXXXX)
Refurbished price
€2,973 incl. taxes
1 price points
Min: 1234 € (XXXXXXXXX)
Max: 1234 € (XXXXXXXXX)
Likely trade-in value
1 234 €
trek Top Fuel 9 Gen 4

About this bike

Meet the Trek Top Fuel 9 Gen 4 2025: a mountain-oriented bike in the trail segment. Built around an aluminium frame.

We currently track 6 retailers listing the Trek Top Fuel 9 Gen 4, so the price points below are pulled from real-world stock.

On the financial side, the recommended retail price (RRP) is €4,799, while the observed market price for a new unit averages €4,559. On the second-hand market we see refurbished units at around €2,973.

Browse the live offers below or jump to the similar bikes section to compare the Trek Top Fuel 9 Gen 4 with its closest rivals.

Bikes currently in the market or recently sold

Retailer Image Link Model Year Condition Price RRP Discount Status Country Last seen First seen Online for Similarity E-Bike Groupset Mileage Size Brake type Frame material Wheel size Motor Torque Battery capacity Category
Retailer Link TOP FUEL 9 GEN 4 2025 Refurbished 1 234 € 1 234 € -20% On sale Europe 2026-09-07 2026-05-05 125 ★ Perfect match No Sram Eagle Transmission GX L Disco Aluminium 27.5, 29 Mtb
Retailer Link TOP FUEL 9 GEN 4 New 1 234 € 1 234 € -20% On sale Italy 2026-09-06 2026-04-19 140 ★ Perfect match No SRAM GX Eagle AXS, T-Type Mtb
Retailer Link TOP FUEL 9 GEN 4 2025 New 1 234 € 1 234 € -20% On sale France 2026-08-28 2026-04-19 131 Similar match No M/l Freins à disquesHydraulique Aluminium 29 pouces Mtb
Retailer Link TOP FUEL 9 GEN 4 2025 New 1 234 € 1 234 € -20% On sale Europe 2026-08-10 2026-06-08 63 ★ Perfect match No Sram Eagle Transmission GX Md/lg Disco Aluminium 27.5, 29 Mtb
Retailer Link TOP FUEL 9 GEN 4 2025 New 1 234 € 1 234 € -20% On sale France 2026-04-07 Similar match No S, m, m/l, l, xl Frein à disque hydraulique Mtb
Retailer Link TOP FUEL 9 GEN 4 2025 New 1 234 € 1 234 € -20% On sale France 2026-03-16 2025-03-26 355 Related No SRAM Eagle XS-1275, Type T, 10-52, 12 vitesses S Freins à disques/Hydraulique Aluminium Mountain
Retailer Link TOP FUEL 9 GEN 4 2025 New 1 234 € 1 234 € -20% On sale Spain 2026-03-16 2025-03-26 355 Similar match No SRAM Eagle XS-1275 , T-Type, 10-52, 12 speed N Mountain
Retailer TOP FUEL 9 GEN 4 2025 New 1 234 € 1 234 € -20% Sold France 2026-09-06 2026-07-28 40 ★ Perfect match No SRAM GX Eagle AXS, type T Aluminium Mtb

Specifications

CategoryMountain
SubcategoryTrail
Year2025
FrameAlpha Platinum Aluminum, internal storage, tapered head tube,...
Frame materialAluminum
ForkFox Rhythm 34, Float EVOL air spring, GRIP damper, tapered ste...
SuspensionFull
Rear shockFox Performance Float DPS, 2-position damper, 185mm x 50mm

Components

Groupset X01 Eagle AXS, GX Eagle Transmission
Drivetrain 1 × 12 Electronic
Rear derailleur SRAM GX Eagle AXS, T-Type
Cassette SRAM Eagle XS-1275, T-Type, 10-52, 12 speed
Chain SRAM GX Eagle, T-Type, 12 speed
Crank SRAM GX Eagle, T-Type, DUB, 30T, 55mm chainline, 170mm length
Bottom bracket SRAM DUB MTB Wide, 73mm, BSA threaded
Brake type Hydraulic Disc
Brakes SRAM Level Bronze 4-piston hydraulic disc
Handlebar Bontrager Line, alloy, 35mm, 27.5mm rise, 780mm width
Stem Bontrager Elite, 35mm, 0 degree, 45mm length
Grips Bontrager XR Trail Comp, nylon lock-on
Saddle Verse Short Comp, steel rails, 145mm width
Seatpost Size: S, Bontrager Line Dropper, 100mm travel, MaxFlow, internal routing, 34.9mm, 310mm length; Size: M, ML, L, XL, Bontrager Line Dropper, 170mm travel, MaxFlow, internal routing, 34.9mm, 450mm length

Wheels & Tires

Wheel size 27.5
Rims Front: Size: S, Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, 27.5''; Size: M, ML, L, XL, Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, 29'', Rear: Size: S, Bontrager Line Comp 30, Tubeless Ready, Rapid Drive 108, 6-bolt, Boost148, 12mm thru axle, 27.5''; Size: M, ML, L, XL, Bontrager Line Comp 30, Tubeless Ready, Rapid Drive 108, 6-bolt, Boost148, 12mm thru axle, 29''
Tires Size: S, Bontrager Gunnison Pro XR, Tubeless Ready, wire bead, 60 tpi, 27.5x2.40''; Size: M, ML, L, XL, Bontrager Gunnison Pro XR, Tubeless Ready, dual compound, aramid bead, 60 tpi, 29x2.40''

Brand Market Footprint

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