Top Fuel 7 SX
A 29″ aluminum frame full suspension crosscountry bike with upper mid-range components.
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MSRP | $2,999 |
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Weight | 31.2 lbs |
Frame | Aluminum |
Suspension | Full, 115 / 120mm |
Fork | RockShox Judy |
Shock | X-Fusion |
Wheels | 29″ Aluminum |
Drivetrain | 1 × 12 |
Groupset | SX Eagle |
Brakes | Hydraulic Disc |
Seatpost | Dropper |
For This Bike
Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.
Compare the full Top Fuel model range
View ComparisonMar 2022 · Guy Kesteven
Trek’s Top Fuel delivers superlative short-travel suspension performance but it’s definitely a trail bike not an XC bike
Infectiously agile and playful vibe
Superlative suspension feel
Seriously tight tracking frame
Trail tough kit
Internal storage
Too heavy for XC racing
Simple fork damper
Tight internal storage access
Yawning gap between this and the Supercaliber
Dec 2021 · Will Soffe
Impressively playful characteristics, progressive geometry and solid build, despite lacking the outright pace of XC-derived competitors
Effective suspension gives suppleness and support
Confidence-inspiring geometry beyond XC-derived counterparts
A riotous blend of capability and playfulness
The robust frame means it’s heavier than its rivals
A flexy fork is the only weak spot in a bullet-proof build
Dec 2021 · Henry Quinney
For a bike that is so capable on the descents, though, the Top Fuel still packs a mighty punch when it comes to gaining elevation..
Great suspension performance
Frame storage
Strong climbing performance
Knockblock isn't as well executed as other brand's versions
Works well when pushing hard, but might not be the most comfortable for all
Oct 2021 · Danny Milner
New Trek Top Fuel 8 is a short travel - 120mm travel front and rear - down-country trail bike with internal frame storage for both alloy and carbon models.
Sublime suspension, playful handling, fantastic size range, internal storage
Not particularly light for the intended use, inconsistent Shimano brakes on our test bike
Oct 2021
The Trek Top Fuel has been overhauled for 2022, receiving an all-new frame with integrated storage, plus key updates to the suspension design and geometry. So how does it ride on the trail? And will everyone be pleased with all the changes? Read on for our Trek Top Fuel review.
Brilliant trail-ripping geometry
Active and supportive suspension
Masses of cornering grip & stability
Refined and practical frame design
Downtube storage is a welcome addition
Dropper post is sluggish
Wheels are solid but quite heavy
Carbon bars are harsh
Heavier than many of its competitors
Jun 2021 · Peter Walker
The Top Fuel 9.9 flies through singletrack and rips descents, but it really shines when pushed to its full potential during gruelling endurance races.” That's what Trek say about the Fuel 9.9 X01, but how did it fare against its bigger brother, the Fuel EX, in our test?
Accelerates willingly
Easy, intuitive handling
Bontrager XR3 tires generate poor traction
Remote cluster in the cockpit area is confusing
Odd-looking spacer tower
No Trek storage compartment
Very few advantages over the Fuel EX, which suits a much wider range of applications
Frame | Alpha Platinum Aluminium, tapered head tube, Knock Block, Control Freak internal routing, downtube guard, magnesium rocker link, Mino Link, ABP, Boost148, 115 mm travel BB Standard: BB86/BB92, Press Fit Tire Clearance: 2.4" Color: Lithium Grey / Trek Black |
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Fork | RockShox Judy SL, Solo Air spring, Motion Control damper, tapered steerer, 42 mm offset, Boost110, 15 mm Maxle Stealth, 120 mm travel Travel: 120mm Spring Type: Air |
Shock | X-Fusion Pro 2, 190x45 mm Travel: 115mm Spring Type: Air |
Bottom Bracket | SRAM DUB, 92 mm, PressFit |
Headset | Knock Block Integrated, 58-degree radius, cartridge bearing, 1-1/8'' top, 1.5'' bottom |
Stem | Size: S, M, M/L, Bontrager Rhythm Comp, 31.8mm, Knock Block, 0-degree, 60 mm length; Size: L, XL, XXL, Bontrager Rhythm Comp, 31.8 mm, Knock Block, 0-degree, 70 mm length |
Handlebar | Bontrager Rhythm Comp, alloy, 31.8 mm, 15 mm rise, 750mm width |
Saddle | Bontrager Arvada, steel rails, 138 mm width |
Seatpost | Size: S, TranzX JD-YSP18, 100 mm travel, internal routing, 31.6 mm, 361 mm length; Size: M, M/L, L, XL, XXL, TranzX JD-YSP18, 130mm travel, internal routing, 31.6 mm, 425 mm length Type: Dropper |
Grips | Bontrager XR Trail Comp, nylon lock-on |
Rear Derailleur | SRAM SX Eagle |
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Crank | Size: S, SRAM SX Eagle, DUB, 32T steel ring, Boost, 170 mm length; Size: M, M/L, L, XL, XXL, SRAM SX Eagle, DUB, 32T steel ring, Boost, 175 mm length |
Shifters | SRAM SX Eagle, 12-speed |
Cassette | SRAM PG-1210 Eagle, 11-50, 12-speed |
Chain | SRAM SX Eagle, 12 speed |
Brakes | Shimano MT200 hydraulic disc Type: Hydraulic Disc |
Rims | Bontrager Kovee, double-wall, Tubeless-Ready, 28-hole, 23 mm width, Presta valve |
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Front Hub | Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Boost110, 15 mm thru axle |
Tires | Bontrager XR3 Team Issue, Tubeless Ready, Inner Strength sidewall, aramid bead, 120 tpi, 29 x 2.40" |
Disc Rotors | Size: S, M, M/L, L, XL, XXL, Shimano RT26, 6-bolt,180 mm; Size: S, M, M/L, L, XL, XXL, Shimano RT26, 6-bolt,160 mm |
Last updated March 23