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2017 Trek

Top Fuel Carbon Frameset

A 27.5″ carbon frame full suspension crosscountry frameset.

Manufacturer Price

$3,299
Weight4.4 lbs (frame)  
FrameCarbon
SuspensionFull, 100mm rear
ShockFox
Wheels27.5″
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Insights
Sizing
15.5"

5'0" – 5'7"

17.5"

5'5" – 5'11"

18.5"

5'9" – 6'3"

19.5"

5'9" – 6'3"

21.5"

6'1" – 6'6"

🐐 Estimated

Rider Fit Notes

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Reviews

Summary

The Trek Top Fuel is a highly efficient cross-country bike praised for its climbing prowess, light weight, and responsive handling. Its suspension offers superb small-bump compliance, making it a favorite for XC racing and marathon events. However, some reviews note limitations in descending capability due to narrow handlebars and steep head angles.

Pros
  • Efficient climber

  • Light weight carbon frame

  • Superb small-bump compliance

  • Adjustable geometry with Mino Link

  • Quick and efficient handling

Cons
  • Front end could feel twitchy on tough descents

  • Narrow handlebars hinder descending

  • Limited travel for large hits

  • Bontrager tires underperform in technical terrain

Key Quotes
The small-bump compliance is superb for an XC rig. It feels like it has more than 100 millimeters of travel.
BIKE Magazine logoBIKE Magazine
One of our favorite bikes, the gets a refresh and becomes more capable without (hopefully) losing any of its sharpness.
Bicycling
Could it be the embodiment of our dream bike?
Enduro Mountainbike Magazine logoEnduro Mountainbike Magazine
The Trek Top Fuel 9 manages to tread a fine line between a taut and lithe XC race machine and a bike that most riders would be happy to use for general trail duty.
MBR logoMBR

Feedback?

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BikeRadar
Trek Top Fuel 8 review

Jul 2018 · Guy Kesteven

Stiff frame and suspension in classic race style, but wheels are slow and ride feel is conservative. Buy if you want an efficient and trusted ride for your money

Highs
  • Stiff frame with suspension tuned for efficient pedalling, reasonable kit for the cash

Lows
  • Conservative rather than combative handling character and overall feel, wheels and tyres undermine rough rolling speed and liveliness

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MBR
Trek Top Fuel 9 (2017) review - MBR

May 2017 · James Bracey

Swing a leg over the Trek Top Fuel 9 and the first thing you notice is the suspension is keen to get working. It’s a seriously rapid bike on the trails.

Highs
  • Rewarding ride provided by the Re:aktiv suspension.

  • SRAM X1 groupset performed flawlessly.

Lows
  • Handling is marred by the miniscule bar width.

  • Tyres are inappropriate for most British conditions.

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VeloNews
Trek Top Fuel 9.8

May 2016 · Lennard Zinn

The carbon fiber Top Fuel ruled in mountain biking’s mid-2000s heyday, and now it’s back and better than ever. Most importantly, Trek has updated the

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Enduro Mountainbike Magazine
Trek Top Fuel 9.8 SL Review

Mar 2016 · Christoph Bayer

Trek gave their Top Fuel a revamp for 2016. We've put the Trek Top Fuel 9.8 SL through its paces to see if the performance can match the looks.

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Mountain Flyer
First Impressions: Trek Top Fuel 9.8 SL

Mar 2016

Who wouldn’t have expected the updated Trek Top Fuel’s shining point to be climbing? Its predecessor was a World Cup-winning XC race bike and the Top Fuel has now replaced the company’s other race bike, the Superfly. With larger wheels, improved suspension and other updates, the Top Fuel is poised to carry on Trek’s XC race heritage.

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BIKE Magazine
Review: Trek Top Fuel 9.8 SL

Feb 2016

The Trek Top Fuel 9.8 SL is a Greyhound designed to cover long distances fast and is tailor-made for über-fit marathon racers.

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Bicycling
First Look: 2016 Trek Top Fuel, Procaliber, and Fuel EX29

Jul 2015 · Matt Phillips

Three new mountain bikes get a Boost

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MTBR
Trek Procaliber SL, Top Fuel and Fuel EX 29 revamped

Jul 2015 · Jeroen Tiggelman

Turning its focus on its cross-country racing bikes, Trek made some significant changes to its XC line. Most notable is the introduction of the Isospeed coupler in to the Procaliber hardtail line. - Mtbr.com

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Geometry
Specs
Build
Frame

OCLV Mountain Carbon main frame & stays, ABP, Full Floater, EVO link, E2 tapered head tube, Mino Link, MicroTruss, Control Freak internal routing, Carbon Armor, PF92, Boost148 & G2 Geometry on 29ers, 100mm travel

BB StandardBB86/BB92, Press Fit

Shock

Fox Factory Float, RE:aktiv XC 2-position remote damper, Kashima Coat, tuned by Trek Suspension Lab, 6.5x1.5"

Travel100mm

Bottom Bracket

BB86/BB92, press-fit

Headset

Integrated, cartridge bearing, sealed, 1-1/8" top, 1.5" bottom

Rider Notes
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First added April 12

Last updated July 21

Not listed for 3,234 days