Trek Top Fuel Gen 4: setups and prices

Trek has announced the launch of the Top Fuel Gen 4. The new version maintains the downcountry character but renews the geometry, lightens the frame, and increases the rear shock travel from its predecessor. The range is reduced to seven models and is priced between 2,500 and 9,700 euros, approximately.

Trek Top Fuel Gen 4: another twist to a bike that wants it all

The Top Fuel was for a time the reference cross-country full suspension bike from Trek; this was the purpose for which it was designed and from which it forged its first stage in the market. The story changed with the arrival of the Supercaliber, the model that pushed the Top Fuel into a poorly defined territory in a context where the boundaries between MTB categories were becoming increasingly blurred.

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In this way, Trek redesigned the Top Fuel to turn it into a downcountry bike -the American manufacturer prefers to label it as 'Fast Trail'-. In any case, it is a bike conceived to ride well both uphill and downhill, halfway between a trail bike and a pure competition XC double.

The model is designed to meet the needs of those cyclists who prioritize pedaling efficiency and lightness, but also want to face descents with an extra dose of confidence. The Top Fuel now has 130mm of rear travel and maintains the 120mm of travel in the fork -compatible up to 140mm-.

One of the main novelties highlighted by the brand is the increase in frame stiffness and weight reduction in both versions -about 220 grams lighter in both-. The design has opted for more efficient tube shapes; the concept, based on smaller profiles and smoothed edges, was inspired by the knowledge gained in the development of the Supercaliber Gen 2.

Another key point is the improved internal storage. Trek has focused its efforts on achieving a tighter closure, a larger opening, and increasing cable protection.

The geometry -which draws from some of the usual measures in enduro- has slightly changed compared to the previous version. The head angle has been launched even further -now, 65.5°; before, 66°-, while the effective seat tube angle of 76° and the 447mm reach remain the same. In addition, it incorporates a flip chip -under the name Mino Link- that allows modifying the geometry in four positions.

Another novelty is the different chainstay length depending on the size, maintaining balanced handling for all frame sizes and weight centered between the wheels. The brand reports that the chainstay length is achieved by the placement of the bottom bracket, so the replacement parts for the chainstay are the same in all frame sizes.

Trek Top Fuel Gen 4: models and prices

The range of the Top Fuel Gen 4 consists of seven versions and is offered in five sizes -S, M, ML, L, and XL-.

Trek Top Fuel 5

• Frame: Alpha Platinum Aluminum, internal storage, tapered head tube, internal guided routing, downtube guard, 4-way Mino Link
• Fork: RockShox Recon Silver RL, Solo Air, Motion Control damper, lockout, tapered steerer, 42mm offset
• Shock: X-Fusion Pro 2, 2-position damper, 185mm x 50mm
• Derailleur: Shimano Deore M6100
• Cassette: Shimano Deore M6100, 10-51, 12 speed
• Saddle: Bontrager Verse Short, stainless steel rails
• Seatpost: TranzX JD-YSI22, internal routing, 34.9mm
• Brakes: Shimano MT200 hydraulic disc
• Wheels: Bontrager Line 30, Tubeless Ready
• Tires: Bontrager Gunnison Elite XR, Tubeless Ready, wire bead, 60 tpi, 29x2.40"
• Price: approximately 2,500 euros.

Trek Top Fuel 8

• Frame: Alpha Platinum Aluminum, internal storage, tapered head tube, internal guided routing, downtube guard, 4-way Mino Link
• Fork: Fox Rhythm 34, Float EVOL air spring, GRIP damper, tapered steerer, 44mm offset
• Shock: Fox Performance Float DPS, 3-position damper, 185mm x 50mm
• Derailleur: Shimano XT M8100
• Cassette: Shimano SLX M7100, 10-51T, 12 speed
• Saddle: Bontrager Verse P3, chromoly rails
• Seatpost: Bontrager Line Dropper, MaxFlow, internal routing, 34.9mm
• Brakes: Shimano 4-piston hydraulic disc, M6100 lever, M6120 caliper
• Wheels: Bontrager Line Comp 30, Tubeless Ready
• Tires: Bontrager Gunnison Pro XR, Tubeless Ready, wire bead, 60 tpi, 27.5x2.40"
• Price: approximately 3,700 euros.

Trek Top Fuel 9

• Frame: Alpha Platinum Aluminum, internal storage, tapered head tube, internal guided routing, downtube guard, 4-way Mino Link
• Fork: Fox Rhythm 34, Float EVOL air spring, GRIP damper, tapered steerer, 44mm offset
• Shock: Fox Performance Float DPS, 3-position damper, 185mm x 50mm
• Derailleur: SRAM AXS POD
• Cassette: SRAM Eagle XS-1275, T-Type, 10-52, 12 speed
• Saddle: Verse Short Comp, steel rails, 145mm width
• Seatpost: Bontrager Line Dropper, MaxFlow, internal routing, 34.9mm
• Brakes: SRAM Level Bronze 4-piston hydraulic disc
• Wheels: Bontrager Line Comp 30, Tubeless Ready
• Tires: Bontrager Gunnison Pro XR, Tubeless Ready, wire bead, 60 tpi, 27.5x2.40"
• Price: approximately 4,430 euros.

Trek Top Fuel 9.8 XT

• Frame: OCLV Mountain Carbon, internal storage, tapered head tube, internal guided routing, downtube guard, 4-way Mino Link
• Fork: RockShox Pike Select+, DebonAir spring, Charger 3.1 RC2 damper, tapered steerer, 44mm offset
• Shock: RockShox Deluxe Ultimate RCT, 185mm x 50mm
• Derailleur: Shimano XT M8100
• Cassette: Shimano XT M8100, 10-51, 12 speed
• Saddle: Verse Short Comp, steel rails, 145mm width
• Seatpost: Bontrager Line Dropper, MaxFlow, internal routing, 34.9mm
• Brakes: Shimano XT M8120 4-piston hydraulic disc
• Wheels: Bontrager Line Comp 30, Tubeless Ready
• Tires: Bontrager Gunnison RSL XT, Tubeless Ready, 29x2.40" / Bontrager Montrose RSL XT, Tubeless Ready, 29x2.40"
• Price: approximately 6,460 euros.

Trek Top Fuel 9.8 GX AXS

• Frame: OCLV Mountain Carbon, internal storage, tapered head tube, internal guided routing, downtube guard, 4-way Mino Link
• Fork: RockShox Pike Select+, DebonAir spring, Charger 3.1 RC2 damper, tapered steerer, 44mm offset
• Shock: RockShox Deluxe Ultimate RCT, 185mm x 50mm
• Derailleur: SRAM AXS POD
• Cassette: SRAM Eagle XS-1275, T-Type, 10-52, 12 speed
• Saddle: Verse Short Comp, steel rails, 145mm width
• Seatpost: Bontrager Line Dropper, MaxFlow, internal routing, 34.9mm
• Brakes: SRAM Level Bronze 4-piston hydraulic disc
• Wheels: Bontrager Line Comp 30, Tubeless Ready
• Tires: Bontrager Gunnison RSL XT, Tubeless Ready, 29x2.40" / Bontrager Montrose RSL XT, Tubeless Ready, 29x2.40"
• Price: approximately 5,770 euros.

Trek Top Fuel 9.9 XO AXS

• Frame: OCLV Mountain Carbon, internal storage, tapered head tube, internal guided routing, downtube guard, 4-way Mino Link
• Fork: RockShox Pike Ultimate, DebonAir spring, Charger 3.1 RC2 damper, 44mm offset
• Shock: RockShox Deluxe Ultimate RCT, 185mm x 50mm
• Derailleur: SRAM AXS POD Ultimate
• Cassette: SRAM Eagle XS-1295, T-Type, 10-52, 12 speed
• Saddle: Verse Short Pro, carbon rails, 145mm width
• Seatpost: RockShox Reverb AXS, wireless, 34.9mm, 
• Brakes: SRAM Level Silver 4-piston hydraulic disc
• Wheels: Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready
• Tires: Bontrager Gunnison RSL XT, Tubeless Ready, 29x2.40" / Bontrager Montrose RSL XT, Tubeless Ready, 29x2.40"
• Price: approximately 7,850 euros.

Trek Top Fuel 9.9 XX AXS

• Frame: OCLV Mountain Carbon, internal storage, tapered head tube, internal guided routing, downtube guard, 4-way Mino Link
• Fork: RockShox Pike Ultimate, DebonAir spring, Charger 3.1 RC2 damper, 44mm offset
• Shock: RockShox Deluxe Ultimate RCT, 185mm x 50mm
• Derailleur: SRAM AXS POD Ultimate
• Cassette: SRAM Eagle XS-1299, T-Type, 10-52, 12 speed
• Saddle: Verse Short Pro, carbon rails, 145mm width
• Seatpost: RockShox Reverb AXS, wireless, 34.9mm, 
• Brakes: SRAM Level Ultimate 4-piston hydraulic disc
• Wheels: Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready
• Tires: Bontrager Gunnison RSL XT, Tubeless Ready, 29x2.40" / Bontrager Montrose RSL XT, Tubeless Ready, 29x2.40"
• Price: approximately 7,850 euros.

Trek Top Fuel 9.9 XX AXS

• Frame: OCLV Mountain Carbon, internal storage, tapered head tube, internal guided routing, downtube guard, 4-way Mino Link
• Fork: RockShox Pike Ultimate, DebonAir spring, Charger 3.1 RC2 damper, 44mm offset
• Shock: RockShox Deluxe Ultimate RCT, 185mm x 50mm
• Derailleur: SRAM AXS POD Ultimate
• Cassette: SRAM Eagle XS-1299, T-Type, 10-52, 12 speed
• Saddle: Verse Short Pro, carbon rails, 145mm width
• Seatpost: RockShox Reverb AXS, wireless, 34.9mm, 
• Brakes: SRAM Level Ultimate 4-piston hydraulic disc
• Wheels: Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready
• Tires: Bontrager Gunnison RSL XT, Tubeless Ready, 29x2.40" / Bontrager Montrose RSL XT, Tubeless Ready, 29x2.40"
• Price: approximately 9,700 euros.

You can fin further information at the Trek website.