Trek updates Top Fuel with longer travel and new geometry

Today Trek announced a redesign of its popular full suspension cross country bike, updating Top Fuel with longer travel and an all-new geometry that’s suited to racing and a whole lot more.

Top Fuel has long been the bike of choice for speed and efficiency on demanding cross-country courses and marathon rides. The new models combine Top Fuel’s race heritage with the confident control of a longer-travel bike for a ride that handles like a snappy XC race bike and rips like a trail bike. This change in design pivots Top Fuel from a thoroughbred race machine to a cross country bike that’s well-suited to both racing and an all-around great time on any trail for any rider. Earlier this spring, US Marathon Mountain Bike National Champion Payson McElveen (Orange Seal Off-road) rode the new Top Fuel to a record FKT on the 100-mile White Rim Trail in Utah’s Canyonlands National Park, beating the previous record by nearly 15 minutes.

More travel, more control

Whereas previous Top Fuel models featured a 100mm fork and 100mm of rear travel, the new Top Fuel models have a longer 120mm fork and 115mm of rear travel. New Top Fuel models also feature an overhauled frame with a slacker head angle and a longer reach for confidence and control on rough descents. Each of the models in the new Top Fuel lineup features a wider handlebar and shorter stem, a dropper post, and a TwistLoc dual remote lockout that makes it easy to simultaneously lock the front and rear suspension for sprints and climbs.

Trail bike tech, race bike mentality

The new Top Fuel frame has similar design elements to Trek’s trail bikes, including a Straight Shot down tube for extra stiffness without extra weight and Knock Block frame defense that prevents damage from spinning bars and fork crowns. Each new model features Mino Link adjustable geometry, Control Freak internal cable routing, and Active Braking Pivot, which keeps the suspension active even when you’re on the brakes. Together, this frame and suspension tech makes for an ultra-responsive and sure-footed ride that’s fast on race day and fun whenever you ride.

Carbon and alloy options

Top Fuel is available in four complete models with various drivetrain options. It’s also available as a frameset in either Alpha Platinum Aluminum or OCLV Mountain Carbon. All three carbon models (Top Fuel 9.9, Top Fuel 9.8, and Top Fuel 9.7) and the carbon frameset feature full OCLV Mountain Carbon mainframes and rear triangles.


TREK TOP FUEL 8 – Purple

An all alloy model, 13.8kg and a RRP of R45 999

  • Frame: Alpha Platinum Aluminum, tapered head tube, Knock Block, Control Freak internal routing, downtube guard, magnesium rocker link, Mino Link, ABP, Boost148, 115mm travel
  • Fork: RockShox Recon RL, Solo Air spring, Motion Control damper, TwistLoc remote, tapered steerer, 46mm offset, Boost110, 15mm Maxle Stealth, 120mm travel
  • Shock: Fox Performance Float, 2-position DPS damper, TwistLoc remote, tuned by Trek Suspension Lab, 190x45mm
  • Wheels: Bontrager Kovee Comp 23, Tubeless Ready, Boost110 front, Boost148 rear
  • Tires: Bontrager XR3 Team Issue, Tubeless Ready, Inner Strength sidewall, aramid bead, 120tpi, 29×2.40″
  • Shifter: SRAM NX Eagle, 12 speed
  • Derailleur: SRAM NX Eagle
  • Crank: SRAM NX Eagle, DUB, 32T steel ring, Boost
  • Cassette: SRAM PG-1230 Eagle, 11-50, 12 speed
  • Chain: SRAM NX Eagle, 12 speed
  • Saddle: Bontrager Arvada, steel rails
  • Seatpost: Bontrager Line Dropper, internal routing, 31.6mm
  • Handlebars: Bontrager Comp, alloy, 31.8mm, 15mm rise, 750mm width
  • Stem: Bontrager Rhythm Comp, Knock Block, 31.8mm, 13 degree
  • Brakes: Shimano hydraulic disc, MT501 lever, MT500 caliper

TREK TOP FUEL 8 – Red

An alloy model, 13.8kg with a RRP of R45 999

TREK TOP FUEL 9.7 – Silver

Full carbon frame, 12.63kg, with a RRP of R68 999

  • Frame: OCLV Mountain Carbon main frame & stays, tapered head tube, Knock Block, Control Freak internal routing, Carbon Armor, magnesium rocker link, Mino Link, ABP, Boost148, 115mm travel
  • Fork: RockShox Reba RL, Solo Air spring, Motion Control damper, TwistLoc remote, tapered steerer, 46mm offset, Boost110, 15mm Maxle Stealth, 120mm travel
  • Shock: Fox Performance Float, 2-postion DPS damper, TwistLoc remote, tuned by Trek Suspension Lab, 190x45mm
  • Wheels: Bontrager Kovee Comp 23, Tubeless Ready, Boost110 front, Boost148 rear
  • Tires: Bontrager XR3 Team Issue, Tubeless Ready, Inner Strength sidewall, aramid bead, 120tpi, 29×2.40″
  • Shifter: SRAM NX Eagle, 12 speed
  • Derailleur: SRAM NX Eagle
  • Crank: SRAM NX Eagle, DUB, 32T steel ring, Boost
  • Cassette: SRAM PG-1230 Eagle, 11-50, 12 speed
  • Chain: SRAM NX Eagle, 12 speed
  • Seat: Bontrager Montrose Comp, steel rails
  • Seatpost: Bontrager Line Dropper, internal routing, 31.6mm
  • Bars: Bontrager Comp, alloy, 31.8mm, 15mm rise, 750mm width
  • Stem: Bontrager Rhythm Comp, Knock Block, 31.8mm, 13 degree
  • Brakes: Shimano hydraulic disc, MT501 lever, MT500 caliper

TREK TOP FUEL 9.8 – Black

A full carbon frame and wheelset combo, 11.84kg, with a RRP of R89 999

  • Frame: OCLV Mountain Carbon main frame & stays, tapered head tube, Knock Block, Control Freak internal routing, Carbon Armor, magnesium rocker link, Mino Link, ABP, Boost148, 115mm travel
  • Fork: Fox Performance 34 Step-Cast, Float EVOL air spring, GRIP 2-position damper, TwistLoc remote, tapered steerer, 44mm offset, Boost110, 15mm Kabolt axle, 120mm travel
  • Shock: Fox Performance Float, 2-position DPS damper, TwistLoc remote, tuned by Trek Suspension Lab, 190x45mm
  • Wheels: Bontrager Kovee Elite 30 carbon, Tubeless Ready, 54pt Rapid Drive, Boost110 front, Boost148 rear
  • Tires: Bontrager XR3 Team Issue, Tubeless Ready, Inner Strength sidewall, aramid bead, 120tpi, 29×2.40″
  • Shifter: SRAM GX Eagle, 12 speed
  • Derailleur: SRAM GX Eagle
  • Crank: Truvativ Descendant 7k Eagle DUB, 32T alloy ring, Boost
  • Cassette: SRAM XG-1275 Eagle, 10-50, 12 speed
  • Chain: SRAM GX Eagle, 12 speed
  • Seat: Bontrager Montrose Elite, titanium rails
  • Seatpost: Bontrager Line Elite Dropper, internal routing, 31.6mm
  • Handlebars: Bontrager Line Pro, OCLV Carbon, 35mm, 15mm rise, 750mm width
  • Stem: Bontrager Kovee Pro, 35mm, Knock Block, Blendr compatible, 13 degree
  • Brakeset: Shimano SLX M7000 hydraulic disc, 180mm front rotor, 160mm rear rotor

TREK TOP FUEL 9.8 – Teal

A full carbon frame and wheelset combo, 11.84kg, with a RRP of R89 999

TREK TOP FUEL 9.9 – Black

11.05kg, with a RRP of R149 999

  • Frame: OCLV Mountain Carbon main frame & stays, tapered head tube, Knock Block, Control Freak internal routing, Carbon Armor, magnesium rocker link, Mino Link, ABP, Boost148, 115mm travel
  • Fork: Fox Factory 34 Step-Cast, Float EVOL air spring, FIT4 2-position damper, TwistLoc remote, tapered steerer, 44mm offset , Kashima Coat, Boost110, 15mm Kabolt axle, 120mm travel
  • Shock: Fox Factory Float, 2-position DPS damper, TwistLoc remote, Kashima Coat, tuned by Trek Suspension Lab, 190x45mm
  • Wheels: Bontrager Kovee Pro 30 carbon, Tubeless Ready, 108pt Rapid Drive, Boost110 front, Boost148 rear
  • Tires: Bontrager XR3 Team Issue, Tubeless Ready, Inner Strength sidewall, aramid bead, 120tpi, 29×2.40″
  • Shifter: SRAM XX1 Eagle, 12 speed
  • Derailleur: SRAM XX1 Eagle
  • Crank: SRAM XX1 Eagle Carbon, DUB, 32T alloy ring, Boost
  • Cassette: SRAM XG-1295 Eagle, 10-50, 12 speed
  • Chain: SRAM XX1 Eagle, 12 speed
  • Seat: Bontrager Montrose Pro, 7x10mm carbon rails
  • Seatpost: Bontrager Line Elite Dropper, internal routing, 31.6mm
  • Handlebars: Bontrager XXX Kovee, OCLV Carbon, 35mm, 15mm rise, 720mm width
  • Stem: Bontrager Kovee Pro, 35mm, Knock Block, Blendr compatible, 13 degree
  • Brakes: SRAM Level Ultimate hydraulic disc, carbon levers, 180mm front rotor, 160mm rear rotor

Trek Top Fuel 9.9 AXS

11.84kg – no pricing as of yet.

  • Frame: OCLV Mountain Carbon main frame & stays, tapered head tube, Knock Block, Control Freak internal routing, Carbon Armor, magnesium rocker link, Mino Link, ABP, Boost148, 115mm travel
  • Fork: RockShox Pike Ultimate, DebonAir spring, Charger 2 RC2 damper, TwistLoc remote, tapered steerer, 42mm offset, Boost110, 15mm Maxle Stealth, 120mm travel
  • Shock: RockShox Deluxe Ultimate, TwistLoc remote lockout
  • Wheels: Bontrager Kovee Pro 30 carbon, Tubeless Ready, 108pt Rapid Drive, Boost110 front, Boost148 rear
  • Tires: Bontrager XR3 Team Issue, Tubeless Ready, Inner Strength sidewall, aramid bead, 120tpi, 29×2.40″
  • Shifter: SRAM Eagle AXS, wireless, 12 speed
  • Derailleur: SRAM XX1 Eagle AXS
  • Crank: SRAM XX1 Eagle AXS Carbon, DUB, 32T alloy ring, Boost
  • Cassette: SRAM XG-1299 Eagle, 10-50, 12 speed
  • Chain: SRAM XX1 Eagle, 12 speed
  • Seat: Bontrager Montrose Pro, 7x10mm carbon rails
  • Seatpost: RockShox Reverb AXS, 170mm travel, wireless, 31.6mm
  • Handlebars: Bontrager XXX Kovee, OCLV Carbon, 35mm, 15mm rise, 720mm width
  • Stem: Bontrager Kovee Pro, 35mm, Knock Block, Blendr compatible, 13 degree
  • Brakes: SRAM Level Ultimate hydraulic disc, carbon levers, 160mm rotors

Top Fuel Framesets

Alloy (Red) at R32 999 and carbon (Black) at R54 999

The Walkthrough


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