2025
See all specifications
TREK Top Fuel 9.8 GX AXS Gen 4 2025
Mountain · Trail · Unisex
Frame material
Carbon
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
RRP
€7,738 incl. taxes
Refurbished price
€3,561 incl. taxes
1 price points
Min: € ()
Max: € ()
Likely trade-in value
About this bike
Trek engineered the Top Fuel 9.8 GX AXS Gen 4 2025 as a mountain bike in the trail segment. Built around a carbon frame.
We currently track 11 retailers listing the Trek Top Fuel 9.8 GX AXS Gen 4, so the price points below are pulled from real-world stock.
On the financial side, the recommended retail price (RRP) is €7,738, while the observed market price for a new unit averages €5,982. On the second-hand market we see refurbished units at around €3,561.
Browse the live offers below or jump to the similar bikes section to compare the Trek Top Fuel 9.8 GX AXS 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
TOP FUEL 9.8 GX | 2021 | Refurbished | On sale | Europe | 2026-11-02 | 2026-09-14 | 49 | Similar match | No | SRAM GX Eagle | — | 17.5" | Disco | Carbon | 29 | — | — | Mtb | |||||
|
TOP FUEL 8 GEN 4 | 2025 | Refurbished | On sale | Europe | 2026-11-02 | 2026-10-26 | 7 | Similar match | No | Shimano Deore XT | — | Xl | Disco | Aluminium | 27.5, 29 | — | — | Mtb | |||||
|
TOP FUEL 9.8 GX | 2021 | Refurbished | On sale | Europe | 2026-11-02 | 2026-07-27 | 98 | Similar match | No | SRAM GX Eagle | — | 17.5" | Disco | Carbon | 29 | — | — | Mtb | |||||
|
TOP FUEL 9.8 GX | 2021 | Refurbished | On sale | Europe | 2026-11-02 | 2026-09-21 | 42 | Similar match | No | Shimano Deore | — | L | Disco | Carbon | — | — | — | Mtb | |||||
|
TOP FUEL 9.8 GX | 2022 | Refurbished | On sale | Europe | 2026-11-02 | 2026-09-21 | 42 | Similar match | No | SRAM GX Eagle | — | L | Disco | Carbon | 29 | — | — | Mtb | |||||
|
TOP FUEL 9 GEN 4 | 2025 | Refurbished | On sale | Europe | 2026-11-02 | 2026-09-21 | 42 | Similar match | No | Sram Eagle Transmission GX | — | L | Disco | Aluminium | 27.5, 29 | — | — | Mtb | |||||
|
TOP FUEL 8 GEN 4 | — | New | On sale | Italy | 2026-11-01 | 2025-07-18 | 471 | Similar match | No | Shimano XT M8100, gabbia lunga | — | — | — | — | — | — | — | Mtb | |||||
|
TOP FUEL 8 GEN 4 | 2027 | New | On sale | Spain | 2026-11-01 | 2026-09-07 | 55 | Similar match | No | Sram Eagle 70 T-Type | — | — | — | Aluminium | 29' | — | — | Mtb | |||||
|
TOP FUEL 9.8 GEN 4 | — | New | On sale | Italy | 2026-11-01 | 2025-05-19 | 531 | Similar match | No | Xt | — | — | — | — | — | — | — | Mtb | |||||
|
TOP FUEL 9.8 GEN 4 | — | New | On sale | Italy | 2026-11-01 | 2025-05-19 | 531 | Similar match | No | Gx | — | — | — | — | — | — | — | Mtb | |||||
|
TOP FUEL 9 GEN 4 | — | New | On sale | Italy | 2026-11-01 | 2025-05-19 | 531 | Similar match | No | SRAM GX Eagle AXS, T-Type | — | — | — | — | — | — | — | Mtb | |||||
|
TOP FUEL 8 GEN 4 | — | New | On sale | Italy | 2026-11-01 | 2026-07-12 | 112 | Similar match | No | SRAM Eagle 70, T-Type | — | — | — | Aluminium | — | — | — | Mtb | |||||
|
TOP FUEL 9 GEN 4 | 2025 | New | On sale | France | 2026-10-30 | 2025-08-31 | 425 | Similar match | No | — | — | M/l | Freins à disquesHydraulique | Aluminium | 29 pouces | — | — | Mtb | |||||
|
TOP FUEL 8 GEN 4 | 2024 | New | On sale | France | 2026-10-30 | 2025-05-03 | 545 | Similar match | No | Shimano Deore M6120, plateau 30 dts, ligne de chaine de 55 mm, longueur de 170 mm | — | S / m / m-l / l / xl | — | Aluminium | — | — | — | Mtb | |||||
|
TOP FUEL 9.8 GEN 4 | — | New | On sale | Belgium | 2026-10-30 | 2026-04-05 | 208 | Similar match | No | Xt Di2 | — | M | — | — | — | — | — | — | |||||
|
TOP FUEL 9 GEN 4 | 2025 | New | On sale | Europe | 2026-10-19 | 2026-06-08 | 133 | Similar match | No | Sram Eagle Transmission GX | — | Md/lg | Disco | Aluminium | 27.5, 29 | — | — | Mtb | |||||
|
TOP FUEL 9.8 GX AXS GEN 4 | 2025 | Refurbished | On sale | Europe | 2026-10-19 | 2026-07-27 | 84 | Perfect match | No | Sram Eagle Transmission GX | — | M | Disco | Carbon | 27.5, 29 | — | — | Mtb | |||||
|
TOP FUEL 8 GEN 4 | 2026 | New | On sale | Spain | 2026-09-21 | 2026-08-31 | 21 | Similar match | No | Shimano XT | — | — | — | — | 29' | — | — | Mtb | |||||
|
TOP FUEL 9.8 GEN 4 | 2026 | New | On sale | Spain | 2026-09-21 | 2026-08-31 | 21 | Similar match | No | Shimano XT | — | — | — | — | 27.5' | — | — | Mtb | |||||
|
TOP FUEL 9.8 GX AXS GEN 4 | 2025 | New | On sale | Europe | 2026-09-07 | 2026-08-17 | 21 | Perfect match | No | SRAM GX Eagle AXS (T-Type) | — | L | Disco | Carbon | — | — | — | Mtb | |||||
|
TOP FUEL 9.8 GEN 4 | 2025 | New | On sale | France | 2026-08-30 | 2026-07-22 | 39 | Similar match | No | SRAM AXS POD | — | M/l | — | Carbon | Disc Brake | — | — | Mtb | |||||
|
TOP FUEL 9.8 GEN 4 | 2026 | New | On sale | Netherlands | 2026-08-28 | 2026-07-07 | 52 | Similar match | No | Shimano XT Di2 | — | — | Hydraulische schijfremmen | Carbon | — | — | — | Mtb | |||||
|
TOP FUEL 9.8 GX AXS GEN 4 | 2025 | New | On sale | Europe | 2026-08-10 | 2026-06-08 | 63 | Perfect match | No | Sram Eagle Transmission GX | — | Md/lg | Disco | Carbon | 27.5, 29 | — | — | Mtb | |||||
|
TOP FUEL 9.8 GEN 4 | 2026 | New | On sale | Spain | 2026-07-26 | 2026-07-20 | 6 | Similar match | No | Xt Di2 | — | L | — | — | — | — | — | Mtb | |||||
|
TOP FUEL 8 GEN 4 | 2025 | New | On sale | France | 2026-07-24 | 2026-07-13 | 11 | Similar match | No | — | — | S | Freins à disquesHydraulique | Aluminium | 29 pouces | — | — | Mtb | |||||
|
TOP FUEL 8 GEN 4 | 2025 | New | On sale | Spain | 2026-07-20 | 2026-04-20 | 91 | Similar match | No | Shimano Deore XT | — | — | — | Aluminium | 27.5' | — | — | Mtb | |||||
|
TOP FUEL 8 GEN 4 | 2026 | New | On sale | Spain | 2026-07-12 | 2026-04-17 | 86 | Similar match | No | — | — | — | — | — | — | — | — | Mtb | |||||
|
|
TOP FUEL 9.8 GEN 4 | 2025 | New | On sale | France | 2026-07-12 | 2026-04-19 | 84 | Similar match | No | SRAM AXS POD | — | — | — | Carbon | Disc Brake | — | — | Mtb | |||||
|
TOP FUEL 8 GEN 4 | 2026 | New | On sale | Spain | 2026-06-20 | 2026-04-20 | 61 | Similar match | No | Shimano XT M8100, caja larga | — | Ml | — | Aluminium | — | — | — | Mtb | |||||
|
TOP FUEL 9.8 GEN 4 | 2026 | New | On sale | Spain | 2026-06-20 | 2026-04-13 | 68 | Similar match | No | Shimano XT M8250, caja larga | — | M | — | Aluminium | — | — | — | Mtb | |||||
|
— | TOP FUEL 8 GEN 4 | 2026 | New | Sold | France | 2026-10-31 | 2026-04-19 | 195 | Similar match | No | Shimano 12v | — | M-l | Frein à disque hydraulique | Aluminium | — | — | — | Mtb | ||||
|
— | TOP FUEL 9.8 GEN 4 | 2026 | New | Sold | France | 2026-10-31 | 2026-04-19 | 195 | Similar match | No | Shimano 12v | — | Xl | Frein à disque hydraulique | Carbon | — | — | — | Mtb | ||||
|
— | TOP FUEL 8 GEN 4 | 2026 | New | Sold | France | 2026-10-30 | 2026-07-28 | 94 | Similar match | No | Shimano XT M8100, chape longue | — | Xl | — | Aluminium | — | — | — | Mtb | ||||
|
— | TOP FUEL 9.8 GEN 4 | 2026 | New | Sold | France | 2026-10-30 | 2026-07-28 | 94 | Similar match | No | Xt Di2 | — | — | — | Carbon | — | — | — | Mtb | ||||
|
— | TOP FUEL 8 GEN 4 | 2027 | New | Sold | France | 2026-10-30 | 2026-07-28 | 94 | Similar match | No | SRAM Eagle 70, T-Type | — | L | — | Aluminium | — | — | — | Mtb | ||||
|
— | TOP FUEL 8 GEN 4 | 2025 | Refurbished | Sold | Europe | 2026-10-25 | 2026-07-06 | 111 | Similar match | No | Shimano Deore XT | — | Md/lg | Disco | Aluminium | 27.5, 29 | — | — | Mtb | ||||
|
— | TOP FUEL 9.8 GX | 2021 | Refurbished | Sold | Europe | 2026-10-16 | 2026-09-21 | 25 | Similar match | No | SRAM GX Eagle | — | L | Disco | Carbon | 29 | — | — | Mtb | ||||
|
— | TOP FUEL 9.8 GX | 2021 | Refurbished | Sold | Europe | 2026-10-09 | 2026-09-14 | 25 | Similar match | No | SRAM GX Eagle | — | M | Disco | Carbon | 29 | — | — | Mtb | ||||
|
— | TOP FUEL 9.8 GX | 2021 | Refurbished | Sold | Europe | 2026-10-02 | 2026-07-27 | 67 | Similar match | No | SRAM GX Eagle | — | L | Disco | Carbon | 29 | — | — | Mtb | ||||
|
— | TOP FUEL 9 GEN 4 | 2025 | New | Sold | France | 2026-09-21 | 2026-07-28 | 55 | Similar match | No | SRAM GX Eagle AXS, type T | — | — | — | Aluminium | — | — | — | Mtb | ||||
|
— | TOP FUEL 9.8 GEN 4 | 2025 | New | Sold | France | 2026-09-21 | 2026-07-28 | 55 | Similar match | No | Xt | — | — | — | Carbon | — | — | — | Mtb | ||||
|
— | TOP FUEL 9.8 GEN 4 | 2025 | New | Sold | France | 2026-09-21 | 2026-07-28 | 55 | Perfect match | No | Gx | — | — | — | Carbon | — | — | — | Mtb | ||||
|
— | TOP FUEL 9.8 GX AXS GEN 4 | 2025 | Refurbished | Sold | Europe | 2026-09-11 | 2026-08-17 | 25 | Perfect match | No | Sram Eagle Transmission GX | — | M | Disco | Carbon | 27.5, 29 | — | — | Mtb | ||||
|
— | TOP FUEL 9 GEN 4 | 2025 | Refurbished | Sold | Europe | 2026-09-11 | 2026-05-05 | 129 | Similar match | No | Sram Eagle Transmission GX | — | L | Disco | Aluminium | 27.5, 29 | — | — | Mtb | ||||
|
— | TOP FUEL 9.8 GX AXS GEN 4 | 2025 | Refurbished | Sold | Europe | 2026-09-11 | 2026-08-17 | 25 | Similar match | No | Sram Eagle Transmission GX | — | M | Disco | Carbon | 29 | — | — | Mtb | ||||
|
— | TOP FUEL 9.8 GX | 2021 | Refurbished | Sold | Europe | 2026-08-14 | 2026-08-10 | 4 | Similar match | No | Sram Eagle Transmission GX | — | 52 cm | Disco | Carbon | — | — | — | Mtb | ||||
|
— | TOP FUEL 8 GEN 4 | 2025 | Refurbished | Sold | Europe | 2026-07-24 | 2026-06-15 | 39 | Similar match | No | Shimano Deore XT | — | Sm lo | Disco | Aluminium | 27.5, 29 | — | — | Mtb | ||||
|
— | TOP FUEL 9 GEN 4 | 2025 | New | Sold | France | 2026-07-18 | 2026-04-19 | 90 | Similar match | No | — | — | L | Frein à disque hydraulique | — | — | — | — | Mtb | ||||
|
— | TOP FUEL 9.8 GEN 4 | 2025 | New | Sold | Spain | 2026-06-20 | 2026-06-13 | 7 | Similar match | No | Shimano XT M8100, caja larga | — | S | — | Aluminium | — | — | — | Mtb | ||||
|
— | TOP FUEL 9.8 GX | 2021 | Refurbished | Sold | Europe | 2026-06-07 | 2026-05-05 | 33 | Similar match | No | SRAM GX Eagle | — | M | Disco | Carbon | 29 | — | — | Mtb | ||||
|
|
— | TOP FUEL 9.8 GEN 4 | — | Refurbished | Sold | France | 2026-06-01 | 2026-05-10 | 22 | Similar match | No | Sram GX Eagle AXS | — | — | — | — | 29 | — | — | Mtb |
Specifications
CategoryMountain
SubcategoryTrail
Year2025
FrameOCLV Mountain Carbon, internal storage, tapered head tube, int...
Frame materialCarbon
ForkRockShox Pike Select+, DebonAir spring, Charger 3.1 RC2 damper...
SuspensionFull
Rear shockRockShox Deluxe Ultimate RCT, 185mm x 50mm
Components
Groupset
Drivetrain
Rear derailleur
Cassette
Chain
Crank
Bottom bracket
Brake type
Brakes
Grips
Saddle
Seatpost
Wheels & Tires
Wheel size
Rims
Spokes
Tires
Brand Market Footprint
Similar bikes
Compare with closely related models from the same brand and segment
Trek · 2025
Procaliber 6
€1,299
View bike
Trek · 2026
Procaliber 6
€1,199
View bike
Trek · 2024
Procaliber 6
€1,561
View bike
Trek · 2025
Procaliber 8
€1,499
View bike
Trek · 2024
Procaliber 8
€1,499
View bike
Trek · 2026
Procaliber 8
€1,399
View bike
Trek · 2025
Procaliber 9.5 Gen 3
€2,296
View bike
Trek · 2026
Procaliber 9.5 Gen 3
€1,799
View bike
Trek · 2026
Fuel EX 9.8 XT Di2 Gen 7
€6,999
View bike
Trek · 2025
Procaliber 9.7 AXS Gen 3
€4,943
View bike
Trek · 2026
Fuel EX 9.8 XT Gen 7
€6,499
View bike
Trek · 2026
Fuel EX 8 Gen 7
€3,499
View bike
Trek · 2026
Procaliber 9.7 AXS Gen 3
€3,999
View bike
Trek · 2026
Fuel EX 9.8 Eagle 90 Gen 7
€6,499
View bike
Trek · 2026
Top Fuel 9.8 XT Di2 Gen 4
€5,999
View bike