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Today’s DealsTop Fuel 8
A 27.5″ / 29″ aluminum frame full suspension crosscountry bike with upper mid-range components.
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Manufacturer Price
$2,699| Weight | 27.7 lbs |
|---|---|
| Frame | Aluminum |
| Suspension | Full, 100 / 100mm |
| Fork | Fox Performance Float 32 |
| Shock | Fox |
| Wheels | 27.5″ / 29″ Aluminum |
| Drivetrain | 2 × 10 |
| Groupset | XT, Deore |
| Brakes | Shimano Deore Hydraulic Disc |
5'0" – 5'7"
5'5" – 5'11"
5'9" – 6'3"
5'9" – 6'3"
6'1" – 6'6"
🐐 Estimated
None yet.
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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.
Efficient climber
Light weight carbon frame
Superb small-bump compliance
Adjustable geometry with Mino Link
Quick and efficient handling
Front end could feel twitchy on tough descents
Narrow handlebars hinder descending
Limited travel for large hits
Bontrager tires underperform in technical terrain
The small-bump compliance is superb for an XC rig. It feels like it has more than 100 millimeters of travel.
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?
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.
Feedback?
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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
Stiff frame with suspension tuned for efficient pedalling, reasonable kit for the cash
Conservative rather than combative handling character and overall feel, wheels and tyres undermine rough rolling speed and liveliness

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.
Rewarding ride provided by the Re:aktiv suspension.
SRAM X1 groupset performed flawlessly.
Handling is marred by the miniscule bar width.
Tyres are inappropriate for most British conditions.

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

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.

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.

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.

Sep 2015 · Gloria Liu
The reincarnated version of this World Cup-winning XC racer gets modern updates and a hella-fast ride
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
| Frame | Alpha Platinum Aluminum, ABP, Full Floater, EVO link, E2 tapered head tube, Mino Link, MicroTruss, internal derailleur & dropper post routing, down tube guard, PF92, Boost148 & G2 Geometry on 29ers, 100mm travel BB Standard: BB86/BB92, Press Fit |
|---|---|
| Fork | Fox Performance 32 Float, Step Cast, Grip adjustable damper, E2 tapered steerer, Boost110, G2 Geometry w/51mm offset on 29ers, 100mm travel Travel: 100mm Spring Type: Air |
| Shock | Fox Performance Float, RE:aktiv XC 2-position damper, tuned by Trek Suspension Lab, 6.5x1.5" Travel: 100mm |
| Bottom Bracket | PF92 |
| Headset | Integrated, cartridge bearing, sealed, 1-1/8" top, 1.5" bottom |
| Stem | Bontrager Elite, 31.8mm, 7 degree, Blendr compatible |
| Handlebar | Bontrager Race Lite, 31.8mm, 5mm rise |
| Saddle | Bontrager Evoke 2, chromoly rails |
| Seatpost | Bontrager Rhythm Elite, 2-bolt head, 31.6mm, zero offset Type: Rigid |
| Grips | Bontrager Race Lite, lock-on |
| Rear Derailleur | Shimano Deore XT, Shadow Plus |
|---|---|
| Front Derailleur | Shimano Deore, low direct mount |
| Crank | Race Face Ride, 36/22 |
| Shifters | Shimano Deore, 10 speed |
| Cassette | Shimano HG50, 11-36, 10 speed |
| Chain | KMC X10 |
| Brakes | Shimano Deore hydraulic disc Type: Shimano Deore Hydraulic Disc |
| Rims | Bontrager Mustang Elite, Tubeless Ready, Boost110 front, Boost148 rear (15.5: 142x12 rear) (tubeless strips and valves sold separately) |
|---|---|
| Tires | Bontrager XR1 Expert, Tubeless Ready, Inner Strength sidewalls, aramid bead, 29x2.20" (15.5: 27.5x2.20") |
First added April 12
Last updated July 21
Not listed for 3,234 days