2025

TREK Top Fuel 9.8 XT Gen 4 2025

Mountain · Trail · Unisex
Frame material Carbon
Groupset XT
Wheel size 27.5
Drivetrain 1 X 12
Chain Shimano Ultegra/Xt M81...
Tires Size: S, Bontrager Gun...
Brake type Hydraulic Disc
See all specifications
RRP
€5,741 incl. taxes
Observed price — New
€5,097 incl. taxes
3 price points
Min: 1234 € (XXXXXXXXX)
Max: 1234 € (XXXXXXXXX)
Refurbished price
€3,414 incl. taxes
Likely trade-in value
1 234 €
Trek Top Fuel 9.8 XT Gen 4 2025

About this bike

The Trek Top Fuel 9.8 XT Gen 4 2025 is a mountain bike in the trail segment. Built around a carbon frame.

The 3 sources we monitor for this bike refresh daily — that is how 2BX keeps the catalog and resale benchmarks honest.

Expect to pay €5,097 for a new Trek Top Fuel 9.8 XT Gen 4, against an official RRP of €5,741. Used or refurbished units land closer to €3,414, depending on condition.

Browse the live offers below or jump to the similar bikes section to compare the Trek Top Fuel 9.8 XT 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 Trek Top Fuel 9.8 XT Gen 4 2025 Link TOP FUEL 9 GEN 4 2025 New 1 234 € 1 234 € -20% On sale Europe 2026-10-19 2026-06-08 133 Related No Sram Eagle Transmission GX — Md/lg Disco Aluminium 27.5, 29 — — Mtb
Retailer Trek Top Fuel 9.8 XT Gen 4 2025 Link TOP FUEL 8 GEN 4 2025 Refurbished 1 234 € 1 234 € -20% On sale Europe 2026-10-19 2026-07-06 105 Related No Shimano Deore XT — Md/lg Disco Aluminium 27.5, 29 — — Mtb
Retailer Trek Top Fuel 9.8 XT Gen 4 2025 Link TOP FUEL 9 GEN 4 2025 Refurbished 1 234 € 1 234 € -20% On sale Europe 2026-10-19 2026-09-21 28 Related No Sram Eagle Transmission GX — L Disco Aluminium 27.5, 29 — — Mtb
Retailer Trek Top Fuel 9.8 XT Gen 4 2025 Link TOP FUEL 9.8 XT GEN 4 2025 Refurbished 1 234 € 1 234 € -20% On sale Europe 2026-10-19 2026-09-14 35 Related No Shimano Deore XT — M Disco Carbon 27.5, 29 — — Mtb
Retailer Trek Top Fuel 9.8 XT Gen 4 2025 Link TOP FUEL 9.8 XT GEN 4 2025 New 1 234 € 1 234 € -20% On sale Europe 2026-10-19 2026-05-05 167 Perfect match No Shimano Deore XT — M Disco Carbon 27.5, 29 — — Mtb
Retailer Trek Top Fuel 9.8 XT Gen 4 2025 Link TOP FUEL 8 GEN 4 2027 New 1 234 € 1 234 € -20% On sale Spain 2026-10-18 2026-09-07 41 Related No Sram Eagle 70 T-Type — — — Aluminium 29' — — Mtb
Retailer Trek Top Fuel 9.8 XT Gen 4 2025 Link TOP FUEL 9.8 GEN 4 — New 1 234 € 1 234 € -20% On sale Italy 2026-10-17 2026-04-19 181 Related No Gx — — — — — — — Mtb
Retailer Trek Top Fuel 9.8 XT Gen 4 2025 Link TOP FUEL 9 GEN 4 — New 1 234 € 1 234 € -20% On sale Italy 2026-10-17 2026-04-19 181 Related No SRAM GX Eagle AXS, T-Type — — — — — — — Mtb
Retailer Trek Top Fuel 9.8 XT Gen 4 2025 Link TOP FUEL 8 GEN 4 — New 1 234 € 1 234 € -20% On sale Italy 2026-10-17 2026-07-12 97 Related No SRAM Eagle 70, T-Type — — — Aluminium — — — Mtb
Retailer Trek Top Fuel 9.8 XT Gen 4 2025 Link TOP FUEL 9.8 GEN 4 — New 1 234 € 1 234 € -20% On sale Italy 2026-10-17 2026-04-19 181 Related No Xt — — — — — — — Mtb
Retailer Trek Top Fuel 9.8 XT Gen 4 2025 Link TOP FUEL 8 GEN 4 — New 1 234 € 1 234 € -20% On sale Italy 2026-10-17 2026-04-19 181 Related No Shimano XT M8100, gabbia lunga — — — — — — — Mtb
Retailer Trek Top Fuel 9.8 XT Gen 4 2025 Link TOP FUEL 9.8 GEN 4 — New 1 234 € 1 234 € -20% On sale Belgium 2026-10-16 2026-07-14 94 Similar match No Xt Di2 — M — — — — — —
Retailer Trek Top Fuel 9.8 XT Gen 4 2025 Link TOP FUEL 8 GEN 4 2026 New 1 234 € 1 234 € -20% On sale Netherlands 2026-10-16 2026-07-31 77 Related No Shimano SLX Shimano XT — — Hydraulische schijfremmen Aluminium — — — Mtb
Retailer Trek Top Fuel 9.8 XT Gen 4 2025 Link TOP FUEL 9 GEN 4 2025 New 1 234 € 1 234 € -20% On sale France 2026-10-16 2026-04-19 180 Related No — — M/l Freins à disquesHydraulique Aluminium 29 pouces — — Mtb
Retailer Trek Top Fuel 9.8 XT Gen 4 2025 Link TOP FUEL 8 GEN 4 2024 New 1 234 € 1 234 € -20% On sale France 2026-10-16 2026-04-20 179 Related 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
Retailer Trek Top Fuel 9.8 XT Gen 4 2025 Link TOP FUEL 8 GEN 4 — New 1 234 € 1 234 € -20% On sale Switzerland 2026-10-16 2026-05-18 151 Related No Shimano XT M8100, langer Käfig — — — Aluminium — — — Mtb
Retailer Trek Top Fuel 9.8 XT Gen 4 2025 Link TOP FUEL 8 GEN 4 2027 New 1 234 € 1 234 € -20% On sale Netherlands 2026-10-16 2026-07-07 101 Related No SRAM Eagle 70 — — Hydraulische schijfremmen Aluminium — — — Mtb
Retailer Trek Top Fuel 9.8 XT Gen 4 2025 Link TOP FUEL 8 GEN 4 2026 New 1 234 € 1 234 € -20% On sale Europe 2026-10-05 2026-09-14 21 Related No Shimano Deore XT — — Disco Aluminium — — — Mtb
Retailer Trek Top Fuel 9.8 XT Gen 4 2025 Link TOP FUEL 9.8 GEN 4 2026 New 1 234 € 1 234 € -20% On sale Spain 2026-09-21 2026-08-31 21 Related No Shimano XT — — — — 29' — — Mtb
Retailer Trek Top Fuel 9.8 XT Gen 4 2025 Link TOP FUEL 8 GEN 4 2026 New 1 234 € 1 234 € -20% On sale Spain 2026-09-21 2026-08-31 21 Related No Shimano XT — — — — 27.5' — — Mtb
Retailer Trek Top Fuel 9.8 XT Gen 4 2025 Link TOP FUEL 9.8 XT GEN 4 2025 New 1 234 € 1 234 € -20% On sale Europe 2026-09-07 2026-08-17 21 Perfect match No Shimano Deore XT — M Disco Carbon 27.5, 29 — — Mtb
Retailer Trek Top Fuel 9.8 XT Gen 4 2025 Link TOP FUEL 9.8 XT GEN 4 2025 New 1 234 € 1 234 € -20% On sale Europe 2026-09-07 2026-08-17 21 Perfect match No Shimano Deore XT — L Disco Carbon 27.5, 29 — — Mtb
Retailer Trek Top Fuel 9.8 XT Gen 4 2025 Link TOP FUEL 8 GEN 4 2027 New 1 234 € 1 234 € -20% On sale Switzerland 2026-09-04 2026-09-04 0 Related No SRAM Eagle 70 — Ml — Alloy 29 — — Mtb
Retailer Trek Top Fuel 9.8 XT Gen 4 2025 Link TOP FUEL 9.8 GEN 4 2025 New 1 234 € 1 234 € -20% On sale France 2026-08-30 2026-07-22 39 Related No SRAM AXS POD — M — Carbon Disc Brake — — Mtb
Retailer Trek Top Fuel 9.8 XT Gen 4 2025 Link TOP FUEL 9.8 GEN 4 2026 New 1 234 € 1 234 € -20% On sale Netherlands 2026-08-28 2026-07-07 52 Similar match No Shimano XT Di2 — — Hydraulische schijfremmen Carbon — — — Mtb
Retailer Trek Top Fuel 9.8 XT Gen 4 2025 Link TOP FUEL 9.8 XT GEN 4 2025 New 1 234 € 1 234 € -20% On sale Europe 2026-08-10 2026-05-05 97 Perfect match No Shimano Deore XT — M Disco Carbon 27.5, 29 — — Mtb
Retailer Trek Top Fuel 9.8 XT Gen 4 2025 Link TOP FUEL 9.8 GEN 4 2026 New 1 234 € 1 234 € -20% On sale Spain 2026-07-26 2026-07-20 6 Related No Xt Di2 — Xl — — — — — Mtb
Retailer Trek Top Fuel 9.8 XT Gen 4 2025 Link TOP FUEL 8 GEN 4 2025 New 1 234 € 1 234 € -20% On sale France 2026-07-24 2026-07-13 11 Related No — — S Freins à disquesHydraulique Aluminium 29 pouces — — Mtb
Retailer Trek Top Fuel 9.8 XT Gen 4 2025 Link TOP FUEL 8 GEN 4 2026 New 1 234 € 1 234 € -20% On sale Switzerland 2026-07-24 2026-05-11 74 Related No Shimano XT M8100 — Ml — Alloy 29 — — Mtb
Retailer Trek Top Fuel 9.8 XT Gen 4 2025 Link TOP FUEL 8 GEN 4 2025 New 1 234 € 1 234 € -20% On sale Spain 2026-07-20 2026-06-21 29 Related No Shimano Deore XT — — — Aluminium 29' — — Mtb
Retailer Trek Top Fuel 9.8 XT Gen 4 2025 Link TOP FUEL 9.8 GEN 4 2025 New 1 234 € 1 234 € -20% On sale France 2026-07-12 2026-04-19 84 Related No SRAM AXS POD — — — Carbon Disc Brake — — Mtb
Retailer Trek Top Fuel 9.8 XT Gen 4 2025 Link TOP FUEL 8 GEN 4 2026 New 1 234 € 1 234 € -20% On sale Spain 2026-07-12 2026-04-17 86 Related No — — — — — — — — Mtb
Retailer Trek Top Fuel 9.8 XT Gen 4 2025 Link TOP FUEL 9.8 GEN 4 2026 New 1 234 € 1 234 € -20% On sale Spain 2026-06-20 2026-04-13 68 Related No Shimano XT M8250, caja larga — Xl — Aluminium — — — Mtb
Retailer Trek Top Fuel 9.8 XT Gen 4 2025 Link TOP FUEL 8 GEN 4 2026 New 1 234 € 1 234 € -20% On sale Spain 2026-06-20 2026-04-20 61 Related No Shimano XT M8100, caja larga — M — Aluminium — — — Mtb
Retailer Trek Top Fuel 9.8 XT Gen 4 2025 Link TOP FUEL 9.8 GEN 4 2025 New 1 234 € 1 234 € -20% On sale France 2026-05-05 2026-04-19 16 Related No Xt — S Freins à disquesHydraulique Carbon 29 pouces — — Mtb
Retailer Trek Top Fuel 9.8 XT Gen 4 2025 Link TOP FUEL 9.8 GEN 4 2025 New 1 234 € 1 234 € -20% On sale Spain 2026-05-03 2026-04-17 16 Related No Xt — — — — — — — Mtb
Retailer Trek Top Fuel 9.8 XT Gen 4 2025 — TOP FUEL 8 GEN 4 2027 New 1 234 € 1 234 € -20% Sold France 2026-10-19 2026-07-28 83 Related No SRAM Eagle 70, T-Type — L — Aluminium — — — Mtb
Retailer Trek Top Fuel 9.8 XT Gen 4 2025 — TOP FUEL 8 GEN 4 2026 New 1 234 € 1 234 € -20% Sold France 2026-10-19 2026-07-28 83 Related No Shimano XT M8100, chape longue — S — Aluminium — — — Mtb
Retailer Trek Top Fuel 9.8 XT Gen 4 2025 — TOP FUEL 9.8 GEN 4 2026 New 1 234 € 1 234 € -20% Sold France 2026-10-19 2026-07-28 83 Related No Xt Di2 — — — Carbon — — — Mtb
Retailer Trek Top Fuel 9.8 XT Gen 4 2025 — TOP FUEL 9.8 GEN 4 2026 New 1 234 € 1 234 € -20% Sold France 2026-10-17 2026-07-27 82 Related No Shimano 12v — Xl Frein à disque hydraulique Carbon — — — Mtb
Retailer Trek Top Fuel 9.8 XT Gen 4 2025 — TOP FUEL 8 GEN 4 2027 New 1 234 € 1 234 € -20% Sold Spain 2026-10-17 2026-08-09 69 Related No SRAM Eagle 70 T-Type — Xl — — — — — Mtb
Retailer Trek Top Fuel 9.8 XT Gen 4 2025 — TOP FUEL 8 GEN 4 2026 New 1 234 € 1 234 € -20% Sold France 2026-10-17 2026-07-27 82 Related No Shimano 12v — S Frein à disque hydraulique Aluminium — — — Mtb
Retailer Trek Top Fuel 9.8 XT Gen 4 2025 — TOP FUEL 9.8 GEN 4 2025 New 1 234 € 1 234 € -20% Sold France 2026-09-21 2026-07-28 55 Related No Gx — — — Carbon — — — Mtb
Retailer Trek Top Fuel 9.8 XT Gen 4 2025 — TOP FUEL 9 GEN 4 2025 New 1 234 € 1 234 € -20% Sold France 2026-09-21 2026-07-28 55 Related No SRAM GX Eagle AXS, type T — — — Aluminium — — — Mtb
Retailer Trek Top Fuel 9.8 XT Gen 4 2025 — TOP FUEL 9.8 GEN 4 2025 New 1 234 € 1 234 € -20% Sold France 2026-09-21 2026-07-28 55 Related No Xt — — — Carbon — — — Mtb
Retailer Trek Top Fuel 9.8 XT Gen 4 2025 — TOP FUEL 9 GEN 4 2025 Refurbished 1 234 € 1 234 € -20% Sold Europe 2026-09-11 2026-05-05 129 Related No Sram Eagle Transmission GX — L Disco Aluminium 27.5, 29 — — Mtb
Retailer Trek Top Fuel 9.8 XT Gen 4 2025 — TOP FUEL 9.8 XT GEN 4 2025 Refurbished 1 234 € 1 234 € -20% Sold Europe 2026-09-11 2026-08-17 25 Perfect match No Shimano Deore XT — L Disco Carbon 27.5, 29 — — Mtb
Retailer Trek Top Fuel 9.8 XT Gen 4 2025 — TOP FUEL 8 GEN 4 2025 Refurbished 1 234 € 1 234 € -20% Sold Europe 2026-07-24 2026-06-15 39 Related No Shimano Deore XT — Sm lo Disco Aluminium 27.5, 29 — — Mtb
Retailer Trek Top Fuel 9.8 XT Gen 4 2025 — TOP FUEL 9 GEN 4 2025 New 1 234 € 1 234 € -20% Sold France 2026-07-18 2026-04-19 90 Related No — — L Frein à disque hydraulique — — — — Mtb
Retailer Trek Top Fuel 9.8 XT Gen 4 2025 — TOP FUEL 9.8 GEN 4 2025 New 1 234 € 1 234 € -20% Sold Spain 2026-06-20 2026-06-13 7 Related No Shimano XT M8100, caja larga — S — Aluminium — — — Mtb
Retailer Trek Top Fuel 9.8 XT Gen 4 2025 — TOP FUEL 9.8 GEN 4 — Refurbished 1 234 € 1 234 € -20% Sold France 2026-06-01 2026-05-10 22 Related 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 XT
Drivetrain 1 X 12
Rear derailleur Shimano XT M8100, long cage
Cassette Shimano XT M8100, 10-51, 12 speed
Chain Shimano Ultegra/XT M8100, 12 speed
Crank Shimano XT M8120, 30T, 55mm chainline, 170mm length
Bottom bracket Shimano BB-MT501 BSA
Brake type Hydraulic Disc
Brakes Shimano XT M8120 4-piston hydraulic disc
Grips Bontrager XR Trail Elite, 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, High Strength 6000 Series Aluminum rim, Tubeless Ready, Rapid Drive 108, 6-bolt, Shimano MicroSpline freehub, Boost148, 12mm thru axle, 27.5''; Size: M, ML, L, XL, Bontrager Line Comp 30, High Strength 6000 Series Aluminum rim, Tubeless Ready, Rapid Drive 108, 6-bolt, Shimano MicroSpline freehub, Boost148, 12mm thru axle, 29''
Tires Size: S, Bontrager Gunnison RSL XT, Tubeless Ready, triple compound, aramid bead, 120 tpi, 27.5x2.40''; Size: M, ML, L, XL, Bontrager Montrose RSL XT, Tubeless Ready, triple compound, aramid bead, 120 tpi, 29x2.40''; Size: M, ML, L, XL, Bontrager Gunnison RSL XT, Tubeless Ready, triple compound, aramid bead, 120 tpi, 29x2.40''

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